

<!--XBRL Document Created with Wdesk from Workiva-->
<!-- -->
<link:linkbase xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
  <link:roleRef roleURI="http://www.rfmd.com/role/BasisOfPresentationAndSignificantAccountingPolicies" xlink:href="rfmd-20161231.xsd#BasisOfPresentationAndSignificantAccountingPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/BasisOfPresentationAndSignificantAccountingPoliciesPolicies" xlink:href="rfmd-20161231.xsd#BasisOfPresentationAndSignificantAccountingPoliciesPolicies" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:href="rfmd-20161231.xsd#CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:href="rfmd-20161231.xsd#CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:href="rfmd-20161231.xsd#CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:href="rfmd-20161231.xsd#CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:href="rfmd-20161231.xsd#CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/ConsolidatingFinancialInformation" xlink:href="rfmd-20161231.xsd#ConsolidatingFinancialInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/ConsolidatingFinancialInformationCondensedConsolidatingBalanceSheetsDetails" xlink:href="rfmd-20161231.xsd#ConsolidatingFinancialInformationCondensedConsolidatingBalanceSheetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/ConsolidatingFinancialInformationCondensedConsolidatingStatementsOfCashFlowsDetails" xlink:href="rfmd-20161231.xsd#ConsolidatingFinancialInformationCondensedConsolidatingStatementsOfCashFlowsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/ConsolidatingFinancialInformationCondensedConsolidatingStatementsOfComprehensiveIncomeDetails" xlink:href="rfmd-20161231.xsd#ConsolidatingFinancialInformationCondensedConsolidatingStatementsOfComprehensiveIncomeDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/ConsolidatingFinancialInformationTables" xlink:href="rfmd-20161231.xsd#ConsolidatingFinancialInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/Debt" xlink:href="rfmd-20161231.xsd#Debt" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/DebtDetails" xlink:href="rfmd-20161231.xsd#DebtDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/DebtDetailsTextual" xlink:href="rfmd-20161231.xsd#DebtDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/DebtTables" xlink:href="rfmd-20161231.xsd#DebtTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/DocumentAndEntityInformation" xlink:href="rfmd-20161231.xsd#DocumentAndEntityInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/GoodwillAndIntangibleAssets" xlink:href="rfmd-20161231.xsd#GoodwillAndIntangibleAssets" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsDetails" xlink:href="rfmd-20161231.xsd#GoodwillAndIntangibleAssetsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsDetails1" xlink:href="rfmd-20161231.xsd#GoodwillAndIntangibleAssetsDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsDetails2" xlink:href="rfmd-20161231.xsd#GoodwillAndIntangibleAssetsDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsDetailsTextual" xlink:href="rfmd-20161231.xsd#GoodwillAndIntangibleAssetsDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsTables" xlink:href="rfmd-20161231.xsd#GoodwillAndIntangibleAssetsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/IncomeTaxes" xlink:href="rfmd-20161231.xsd#IncomeTaxes" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/IncomeTaxesDetails" xlink:href="rfmd-20161231.xsd#IncomeTaxesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/Inventories" xlink:href="rfmd-20161231.xsd#Inventories" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/InventoriesDetails" xlink:href="rfmd-20161231.xsd#InventoriesDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/InventoriesTables" xlink:href="rfmd-20161231.xsd#InventoriesTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurements" xlink:href="rfmd-20161231.xsd#InvestmentsAndFairValueMeasurements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsDetails" xlink:href="rfmd-20161231.xsd#InvestmentsAndFairValueMeasurementsDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsDetails1" xlink:href="rfmd-20161231.xsd#InvestmentsAndFairValueMeasurementsDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsDetails2" xlink:href="rfmd-20161231.xsd#InvestmentsAndFairValueMeasurementsDetails2" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsDetailsTextual" xlink:href="rfmd-20161231.xsd#InvestmentsAndFairValueMeasurementsDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsTables" xlink:href="rfmd-20161231.xsd#InvestmentsAndFairValueMeasurementsTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/NetLossIncomePerShare" xlink:href="rfmd-20161231.xsd#NetLossIncomePerShare" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/NetLossIncomePerShareDetails" xlink:href="rfmd-20161231.xsd#NetLossIncomePerShareDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/NetLossIncomePerShareDetailsTextual" xlink:href="rfmd-20161231.xsd#NetLossIncomePerShareDetailsTextual" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/NetLossIncomePerShareTables" xlink:href="rfmd-20161231.xsd#NetLossIncomePerShareTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/OperatingSegmentInformation" xlink:href="rfmd-20161231.xsd#OperatingSegmentInformation" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/OperatingSegmentInformationDetails" xlink:href="rfmd-20161231.xsd#OperatingSegmentInformationDetails" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/OperatingSegmentInformationDetails1" xlink:href="rfmd-20161231.xsd#OperatingSegmentInformationDetails1" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/OperatingSegmentInformationTables" xlink:href="rfmd-20161231.xsd#OperatingSegmentInformationTables" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/RecentAccountingPronouncements" xlink:href="rfmd-20161231.xsd#RecentAccountingPronouncements" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/StockRepurchases" xlink:href="rfmd-20161231.xsd#StockRepurchases" xlink:type="simple" />
  <link:roleRef roleURI="http://www.rfmd.com/role/StockRepurchasesDetails" xlink:href="rfmd-20161231.xsd#StockRepurchasesDetails" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" xlink:type="simple" />
  <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" xlink:type="simple" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/BasisOfPresentationAndSignificantAccountingPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/BasisOfPresentationAndSignificantAccountingPoliciesPolicies" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/CondensedConsolidatedBalanceSheetsUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/CondensedConsolidatedBalanceSheetsUnauditedParenthetical" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/CondensedConsolidatedStatementsOfCashFlowsUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/CondensedConsolidatedStatementsOfComprehensiveIncomeUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/CondensedConsolidatedStatementsOfOperationsUnaudited" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/ConsolidatingFinancialInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/ConsolidatingFinancialInformationCondensedConsolidatingBalanceSheetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_E0914C26F7704584A5F6F0C2B1D33AFE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_StatementTable_E0914C26F7704584A5F6F0C2B1D33AFE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_A3A5C59BED2111D67A7FF0C2B1D3AEB7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_E0914C26F7704584A5F6F0C2B1D33AFE" xlink:to="loc_dei_LegalEntityAxis_A3A5C59BED2111D67A7FF0C2B1D3AEB7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_CCA8750FBA326F26075BF0C2B1D40601_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_A3A5C59BED2111D67A7FF0C2B1D3AEB7" xlink:to="loc_dei_EntityDomain_CCA8750FBA326F26075BF0C2B1D40601_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_CCA8750FBA326F26075BF0C2B1D40601" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_A3A5C59BED2111D67A7FF0C2B1D3AEB7" xlink:to="loc_dei_EntityDomain_CCA8750FBA326F26075BF0C2B1D40601" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="loc_us-gaap_GuarantorSubsidiariesMember_5C7E8A3DE903A7769959F0C2B1D47D88" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_CCA8750FBA326F26075BF0C2B1D40601" xlink:to="loc_us-gaap_GuarantorSubsidiariesMember_5C7E8A3DE903A7769959F0C2B1D47D88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NonGuarantorSubsidiariesMember" xlink:label="loc_us-gaap_NonGuarantorSubsidiariesMember_D424346375FC08C4BA0FF0C2B1D430BD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_CCA8750FBA326F26075BF0C2B1D40601" xlink:to="loc_us-gaap_NonGuarantorSubsidiariesMember_D424346375FC08C4BA0FF0C2B1D430BD" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_ConsolidatingEntriesandEliminationsMember" xlink:label="loc_rfmd_ConsolidatingEntriesandEliminationsMember_B2A8F5D11E85B055AE6CF0C2B1D433C8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_CCA8750FBA326F26075BF0C2B1D40601" xlink:to="loc_rfmd_ConsolidatingEntriesandEliminationsMember_B2A8F5D11E85B055AE6CF0C2B1D433C8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_us-gaap_ParentCompanyMember_BF23AB3BC77DF2F09B62F0C2B1D4904F" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_CCA8750FBA326F26075BF0C2B1D40601" xlink:to="loc_us-gaap_ParentCompanyMember_BF23AB3BC77DF2F09B62F0C2B1D4904F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F25F3CE84571F96315EBF0C2B1D46E8F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_F25F3CE84571F96315EBF0C2B1D46E8F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShortTermInvestments" xlink:label="loc_us-gaap_ShortTermInvestments_4D7C3A01BADE1EA1F63FF0C2B1D4556D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_ShortTermInvestments_4D7C3A01BADE1EA1F63FF0C2B1D4556D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsReceivableNetCurrent" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_F707515833F33E7408B7F0C2B1D4CFB7" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_F707515833F33E7408B7F0C2B1D4CFB7" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_Intercompanyreceivables" xlink:label="loc_rfmd_Intercompanyreceivables_9059AAE7C729F73F8E93F0C2B1D424F8" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_rfmd_Intercompanyreceivables_9059AAE7C729F73F8E93F0C2B1D424F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InventoryNet" xlink:label="loc_us-gaap_InventoryNet_00AD6782BC6C977C2A38F0C2B1D5F83F" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_InventoryNet_00AD6782BC6C977C2A38F0C2B1D5F83F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PrepaidExpenseCurrent" xlink:label="loc_us-gaap_PrepaidExpenseCurrent_29F75EFC4A3B0EEFCC2AF0C2B1D51C21" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_PrepaidExpenseCurrent_29F75EFC4A3B0EEFCC2AF0C2B1D51C21" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherReceivables" xlink:label="loc_us-gaap_OtherReceivables_117D9B5B7F8226F839BFF0C2B1D54D5C" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_OtherReceivables_117D9B5B7F8226F839BFF0C2B1D54D5C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsCurrent" xlink:label="loc_us-gaap_OtherAssetsCurrent_10427531751A8F8166ABF0C2B1D57CDB" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_OtherAssetsCurrent_10427531751A8F8166ABF0C2B1D57CDB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="loc_us-gaap_AssetsCurrent_7B0620E288082FBADA3AF0C2B1D5277D" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_AssetsCurrent_7B0620E288082FBADA3AF0C2B1D5277D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_00AAABC21B4DE7E4452FF0C2B1D5252D" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_00AAABC21B4DE7E4452FF0C2B1D5252D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_6972DFFA8309156ED667F0C2B1D51D1D" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_Goodwill_6972DFFA8309156ED667F0C2B1D51D1D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_FFDD2FA09C2A6209BFBAF0C2B1D50FEA" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsNet_FFDD2FA09C2A6209BFBAF0C2B1D50FEA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermInvestments" xlink:label="loc_us-gaap_LongTermInvestments_BC2220F97B9152940AECF0C2B1D54B77" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_LongTermInvestments_BC2220F97B9152940AECF0C2B1D54B77" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_IntercompanyNotesReceivableLongTerm" xlink:label="loc_rfmd_IntercompanyNotesReceivableLongTerm_B6A5C947816496DA5430F0C2B1D6425A" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_rfmd_IntercompanyNotesReceivableLongTerm_B6A5C947816496DA5430F0C2B1D6425A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_A90AB92514941927C3E0F0C2B1D65509" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_A90AB92514941927C3E0F0C2B1D65509" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_C71E161C5520216DD5DDF0C2B1D69447" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_C71E161C5520216DD5DDF0C2B1D69447" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Assets" xlink:label="loc_us-gaap_Assets_AA341B98F1F343F9FC97F0C2B1D6F19B" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_Assets_AA341B98F1F343F9FC97F0C2B1D6F19B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccountsPayableCurrent" xlink:label="loc_us-gaap_AccountsPayableCurrent_A1BDFE00BFDB0D790A1EF0C2B1D6CA99" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_AccountsPayableCurrent_A1BDFE00BFDB0D790A1EF0C2B1D6CA99" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_Intercompanyaccountsandnotespayable" xlink:label="loc_rfmd_Intercompanyaccountsandnotespayable_0E70CF0D3374967FC900F0C2B1D617D7" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_rfmd_Intercompanyaccountsandnotespayable_0E70CF0D3374967FC900F0C2B1D617D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_208EA2C35331D7FDD693F0C2B1D63A98" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_208EA2C35331D7FDD693F0C2B1D63A98" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLiabilitiesCurrent" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_557B49FADB4EB2B6C831F0C2B1D627F6" xlink:type="locator" />
    <link:definitionArc order="21" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_557B49FADB4EB2B6C831F0C2B1D627F6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="loc_us-gaap_LiabilitiesCurrent_2FEDA06540BEE8FF87C1F0C2B1D69C12" xlink:type="locator" />
    <link:definitionArc order="22" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_LiabilitiesCurrent_2FEDA06540BEE8FF87C1F0C2B1D69C12" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_98DCB7BB6853F9E3F3AFF0C2B1D765FF" xlink:type="locator" />
    <link:definitionArc order="23" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_LongTermDebt_98DCB7BB6853F9E3F3AFF0C2B1D765FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredTaxLiabilitiesNoncurrent" xlink:label="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_0D38BDBC30F2B91A32FEF0C2B1D7086F" xlink:type="locator" />
    <link:definitionArc order="24" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_DeferredTaxLiabilitiesNoncurrent_0D38BDBC30F2B91A32FEF0C2B1D7086F" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_Intercompanyaccountsandnotespayablelongterm" xlink:label="loc_rfmd_Intercompanyaccountsandnotespayablelongterm_2D368F427C739D6B5907F0C2B1D725FE" xlink:type="locator" />
    <link:definitionArc order="25" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_rfmd_Intercompanyaccountsandnotespayablelongterm_2D368F427C739D6B5907F0C2B1D725FE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_E3E30B2A06B7BF2918B5F0C2B1D70800" xlink:type="locator" />
    <link:definitionArc order="26" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_E3E30B2A06B7BF2918B5F0C2B1D70800" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Liabilities" xlink:label="loc_us-gaap_Liabilities_B619609BF8A852B5F7EDF0C2B1D76C51" xlink:type="locator" />
    <link:definitionArc order="27" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_Liabilities_B619609BF8A852B5F7EDF0C2B1D76C51" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockholdersEquity" xlink:label="loc_us-gaap_StockholdersEquity_ED7E3184E5E101AED360F0C2B1D78B20" xlink:type="locator" />
    <link:definitionArc order="28" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_StockholdersEquity_ED7E3184E5E101AED360F0C2B1D78B20" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_75A9235688FAE7A045AAF0C2B1D77017" xlink:type="locator" />
    <link:definitionArc order="29" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_C2F760F77F10827D7526F0C2B1D4F83A" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_75A9235688FAE7A045AAF0C2B1D77017" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/ConsolidatingFinancialInformationCondensedConsolidatingStatementsOfCashFlowsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_E533C7CB076C6BB37FA7006F455136FA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_StatementTable_E533C7CB076C6BB37FA7006F455136FA" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_F2F70A06C4EBE8A2A7D4006F4551EF11" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_E533C7CB076C6BB37FA7006F455136FA" xlink:to="loc_dei_LegalEntityAxis_F2F70A06C4EBE8A2A7D4006F4551EF11" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_4E63AC5A180C40B42558006F4551425E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_F2F70A06C4EBE8A2A7D4006F4551EF11" xlink:to="loc_dei_EntityDomain_4E63AC5A180C40B42558006F4551425E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_4E63AC5A180C40B42558006F4551425E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_F2F70A06C4EBE8A2A7D4006F4551EF11" xlink:to="loc_dei_EntityDomain_4E63AC5A180C40B42558006F4551425E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_us-gaap_ParentCompanyMember_ED65C99FC053D87517FE006F4551BAA6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_4E63AC5A180C40B42558006F4551425E" xlink:to="loc_us-gaap_ParentCompanyMember_ED65C99FC053D87517FE006F4551BAA6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="loc_us-gaap_GuarantorSubsidiariesMember_4A435B5716C0002B673D006F45515687" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_4E63AC5A180C40B42558006F4551425E" xlink:to="loc_us-gaap_GuarantorSubsidiariesMember_4A435B5716C0002B673D006F45515687" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NonGuarantorSubsidiariesMember" xlink:label="loc_us-gaap_NonGuarantorSubsidiariesMember_0C48D49924868093D816006F4552B31B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_4E63AC5A180C40B42558006F4551425E" xlink:to="loc_us-gaap_NonGuarantorSubsidiariesMember_0C48D49924868093D816006F4552B31B" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_ConsolidatingEntriesandEliminationsMember" xlink:label="loc_rfmd_ConsolidatingEntriesandEliminationsMember_C3CAD5396893B6166133006F4552730D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_4E63AC5A180C40B42558006F4551425E" xlink:to="loc_rfmd_ConsolidatingEntriesandEliminationsMember_C3CAD5396893B6166133006F4552730D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_55E43CA1FB95EBBC20B3006F4552CDB6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_55E43CA1FB95EBBC20B3006F4552CDB6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_69770F08C6B2289443AF006F45521647" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_69770F08C6B2289443AF006F45521647" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_36A9CBF80FEE345E35D1006F4552EF1C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_36A9CBF80FEE345E35D1006F4552EF1C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsToAcquireAvailableForSaleSecurities" xlink:label="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_13B35BB6C7824CD0A8DC006F45521CC9" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_PaymentsToAcquireAvailableForSaleSecurities_13B35BB6C7824CD0A8DC006F45521CC9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities" xlink:label="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_D0DAEDBCA46B2CF81C10006F4552481F" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities_D0DAEDBCA46B2CF81C10006F4552481F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_9A757ED2551F6994566A006F45525859" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_9A757ED2551F6994566A006F45525859" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3036F7C89AEB55D30F63006F45521754" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_3036F7C89AEB55D30F63006F45521754" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfDebt" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfDebt_23ED1AAD7CC33111EDF0006F455204DB" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfDebt_23ED1AAD7CC33111EDF0006F455204DB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_7E6339DC05AD3DB0844E006F4552F140" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_7E6339DC05AD3DB0844E006F4552F140" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities" xlink:label="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_1131F3369B7E36ACB29D006F4553DE22" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_ExcessTaxBenefitFromShareBasedCompensationFinancingActivities_1131F3369B7E36ACB29D006F4553DE22" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="loc_us-gaap_PaymentsOfDebtIssuanceCosts_B94A1381452E7E54695B006F455325F2" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_PaymentsOfDebtIssuanceCosts_B94A1381452E7E54695B006F455325F2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_6CF69F76A54D205FD3A1006F4553B1B9" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions_6CF69F76A54D205FD3A1006F4553B1B9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_0FC9E072C4B2502BF468006F45536C8C" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_0FC9E072C4B2502BF468006F45536C8C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_2D1B974E072D0C0617E5006F45535D38" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_2D1B974E072D0C0617E5006F45535D38" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_6A233EAE8815F131BD16006F4553E969" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_6A233EAE8815F131BD16006F4553E969" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_Nettransactionswithrelatedparties" xlink:label="loc_rfmd_Nettransactionswithrelatedparties_0306D0D94C56029EC369006F4553205F" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_rfmd_Nettransactionswithrelatedparties_0306D0D94C56029EC369006F4553205F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_45A7B2C438B2212F7376006F45531110" xlink:type="locator" />
    <link:definitionArc order="17" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_45A7B2C438B2212F7376006F45531110" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_CC3411E2AA6C0AC5E5C0006F45532E3C" xlink:type="locator" />
    <link:definitionArc order="18" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalents_CC3411E2AA6C0AC5E5C0006F45532E3C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease" xlink:label="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_DCB13B0F9360BD431345006F45538EB1" xlink:type="locator" />
    <link:definitionArc order="19" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_CashAndCashEquivalentsPeriodIncreaseDecrease_DCB13B0F9360BD431345006F45538EB1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_02BF38D917C69E8A7996006F45530E36" xlink:type="locator" />
    <link:definitionArc order="20" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_B0FB9835484EB81D64BD006F455295D9" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_02BF38D917C69E8A7996006F45530E36" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/ConsolidatingFinancialInformationCondensedConsolidatingStatementsOfComprehensiveIncomeDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementLineItems" xlink:label="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementTable" xlink:label="loc_us-gaap_StatementTable_C94B8BBD2E284EA46394F0383D4715FE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_StatementTable_C94B8BBD2E284EA46394F0383D4715FE" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_LegalEntityAxis" xlink:label="loc_dei_LegalEntityAxis_DB62E1969D8BD19092F1F0383D47E0DF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_StatementTable_C94B8BBD2E284EA46394F0383D4715FE" xlink:to="loc_dei_LegalEntityAxis_DB62E1969D8BD19092F1F0383D47E0DF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_28E01BE52BCDE35F1CD6F0383D475F01_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_LegalEntityAxis_DB62E1969D8BD19092F1F0383D47E0DF" xlink:to="loc_dei_EntityDomain_28E01BE52BCDE35F1CD6F0383D475F01_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.sec.gov/dei/2014/dei-2014-01-31.xsd#dei_EntityDomain" xlink:label="loc_dei_EntityDomain_28E01BE52BCDE35F1CD6F0383D475F01" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_LegalEntityAxis_DB62E1969D8BD19092F1F0383D47E0DF" xlink:to="loc_dei_EntityDomain_28E01BE52BCDE35F1CD6F0383D475F01" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ParentCompanyMember" xlink:label="loc_us-gaap_ParentCompanyMember_C7829D4BFA1F70D9AA9EF0383D477D8F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_28E01BE52BCDE35F1CD6F0383D475F01" xlink:to="loc_us-gaap_ParentCompanyMember_C7829D4BFA1F70D9AA9EF0383D477D8F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GuarantorSubsidiariesMember" xlink:label="loc_us-gaap_GuarantorSubsidiariesMember_1852162EA4FC1E7EECEBF0383D474890" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_28E01BE52BCDE35F1CD6F0383D475F01" xlink:to="loc_us-gaap_GuarantorSubsidiariesMember_1852162EA4FC1E7EECEBF0383D474890" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NonGuarantorSubsidiariesMember" xlink:label="loc_us-gaap_NonGuarantorSubsidiariesMember_D84BED72E45E3E31EC5DF0383D47F38B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_28E01BE52BCDE35F1CD6F0383D475F01" xlink:to="loc_us-gaap_NonGuarantorSubsidiariesMember_D84BED72E45E3E31EC5DF0383D47F38B" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_ConsolidatingEntriesandEliminationsMember" xlink:label="loc_rfmd_ConsolidatingEntriesandEliminationsMember_67B588E086D96B3482EEF0383D47F03E" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityDomain_28E01BE52BCDE35F1CD6F0383D475F01" xlink:to="loc_rfmd_ConsolidatingEntriesandEliminationsMember_67B588E086D96B3482EEF0383D47F03E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_EB3F45E071B11D7FDDF9F0383D47A1D6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_SalesRevenueNet_EB3F45E071B11D7FDDF9F0383D47A1D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="loc_us-gaap_CostOfGoodsSold_C7F6E6FF28E899300323F0383D4797EA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_CostOfGoodsSold_C7F6E6FF28E899300323F0383D4797EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GrossProfit" xlink:label="loc_us-gaap_GrossProfit_97B8D0181AFE76CC4171F0383D47B163" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_GrossProfit_97B8D0181AFE76CC4171F0383D47B163" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_E0F4AA1E68A2677482FAF0383D47D6AB" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_E0F4AA1E68A2677482FAF0383D47D6AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_F03A958E7C81C45F1E2FF0383D47DABE" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_F03A958E7C81C45F1E2FF0383D47DABE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherOperatingIncomeExpenseNet" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseNet_25646D1B32B4964DA5ADF0383D475165" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseNet_25646D1B32B4964DA5ADF0383D475165" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingExpenses" xlink:label="loc_us-gaap_OperatingExpenses_6B94C0A45C22572FAACBF0383D47511B" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_OperatingExpenses_6B94C0A45C22572FAACBF0383D47511B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_C079FC248729247F8E0DF0383D479978" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_OperatingIncomeLoss_C079FC248729247F8E0DF0383D479978" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_401DB9856F25124BE4BFF0383D47C447" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_InterestExpense_401DB9856F25124BE4BFF0383D47C447" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentIncomeNet" xlink:label="loc_us-gaap_InvestmentIncomeNet_E6351F7652E14C3FF46BF0383D476BBF" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_InvestmentIncomeNet_E6351F7652E14C3FF46BF0383D476BBF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_5F7044D59E1D034FAE39F0383D4728E6" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_5F7044D59E1D034FAE39F0383D4728E6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_ED24567912BCA7FB68C9F0383D47879F" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_ED24567912BCA7FB68C9F0383D47879F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_8B8EA2083BB13D574754F0383D47F6E2" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_8B8EA2083BB13D574754F0383D47F6E2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromSubsidiariesNetOfTax" xlink:label="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_ED123220C2F079D8C061F0383D4748D9" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_IncomeLossFromSubsidiariesNetOfTax_ED123220C2F079D8C061F0383D4748D9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="loc_us-gaap_NetIncomeLoss_DAC879D47593FB44983BF0383D47C596" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_NetIncomeLoss_DAC879D47593FB44983BF0383D47C596" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_E07AA0D4AA4100DBD433F0383D4765C3" xlink:type="locator" />
    <link:definitionArc order="16" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_StatementLineItems_EDED0AC4129F4B85B39FF0383D47EA30" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_E07AA0D4AA4100DBD433F0383D4765C3" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/ConsolidatingFinancialInformationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/Debt" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/DebtDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_9C25F63B3A775E7EA3C8E691080E5E34" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_C3DEFE422118523E9BD69222783B38D2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9C25F63B3A775E7EA3C8E691080E5E34" xlink:to="loc_us-gaap_DebtInstrumentTable_C3DEFE422118523E9BD69222783B38D2" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_9EFBB718FF60542AB8ED39E4EB1AAC99" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_C3DEFE422118523E9BD69222783B38D2" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_9EFBB718FF60542AB8ED39E4EB1AAC99" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_0D2A851211920B88F6FE576B26EE2637_B9A0BE67793056049D6E2E050E646CFD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_9EFBB718FF60542AB8ED39E4EB1AAC99" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_0D2A851211920B88F6FE576B26EE2637_B9A0BE67793056049D6E2E050E646CFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_F6CD4785E2F45B278EE00358DA13E952" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_9EFBB718FF60542AB8ED39E4EB1AAC99" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_F6CD4785E2F45B278EE00358DA13E952" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_A6.75SeniorNotesdue2023Member" xlink:label="loc_rfmd_A6.75SeniorNotesdue2023Member_BB35E8C2FF7A5CC9ADC3276F77CFFB0B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_F6CD4785E2F45B278EE00358DA13E952" xlink:to="loc_rfmd_A6.75SeniorNotesdue2023Member_BB35E8C2FF7A5CC9ADC3276F77CFFB0B" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_A7.00SeniorNotesdue2025Member" xlink:label="loc_rfmd_A7.00SeniorNotesdue2025Member_B0F480C8C1EC5F5A82AA39994F99369E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_F6CD4785E2F45B278EE00358DA13E952" xlink:to="loc_rfmd_A7.00SeniorNotesdue2025Member_B0F480C8C1EC5F5A82AA39994F99369E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentAxis" xlink:label="loc_us-gaap_DebtInstrumentAxis_30BC7BD9D6C1538494E8CD5BBD19D35A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_C3DEFE422118523E9BD69222783B38D2" xlink:to="loc_us-gaap_DebtInstrumentAxis_30BC7BD9D6C1538494E8CD5BBD19D35A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_D0B021E6CC3F2770158B576B26EEF7B6_B9A0BE67793056049D6E2E050E646CFD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentAxis_30BC7BD9D6C1538494E8CD5BBD19D35A" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_D0B021E6CC3F2770158B576B26EEF7B6_B9A0BE67793056049D6E2E050E646CFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentNameDomain" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_5CC7310B0FAA5A73B78A05B4CADB7084" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentAxis_30BC7BD9D6C1538494E8CD5BBD19D35A" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_5CC7310B0FAA5A73B78A05B4CADB7084" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_4F906A9759D9502D88B1E3989DA4DEF0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_C3DEFE422118523E9BD69222783B38D2" xlink:to="loc_us-gaap_VariableRateAxis_4F906A9759D9502D88B1E3989DA4DEF0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_DB0DFC73EA5BA733C327576B26EEA482_B9A0BE67793056049D6E2E050E646CFD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_4F906A9759D9502D88B1E3989DA4DEF0" xlink:to="loc_us-gaap_VariableRateDomain_DB0DFC73EA5BA733C327576B26EEA482_B9A0BE67793056049D6E2E050E646CFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_7B62D2478D2E59B1AC15C4AB08EA5611" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_4F906A9759D9502D88B1E3989DA4DEF0" xlink:to="loc_us-gaap_VariableRateDomain_7B62D2478D2E59B1AC15C4AB08EA5611" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_EE7F4D980CA351E8A5B35C9D0D5F378B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_C3DEFE422118523E9BD69222783B38D2" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_EE7F4D980CA351E8A5B35C9D0D5F378B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C3FA938F2450D510F198576B26EE6276_B9A0BE67793056049D6E2E050E646CFD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_EE7F4D980CA351E8A5B35C9D0D5F378B" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_C3FA938F2450D510F198576B26EE6276_B9A0BE67793056049D6E2E050E646CFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_5F9D1A75E57159A8B415BE40443707EA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_EE7F4D980CA351E8A5B35C9D0D5F378B" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_5F9D1A75E57159A8B415BE40443707EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_23C2DC550C015E0D8AC7D43A382E1CD0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9C25F63B3A775E7EA3C8E691080E5E34" xlink:to="loc_us-gaap_LongTermDebt_23C2DC550C015E0D8AC7D43A382E1CD0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_017C898F35365A86A82C9A3179A5811C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_9C25F63B3A775E7EA3C8E691080E5E34" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_017C898F35365A86A82C9A3179A5811C" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/DebtDetailsTextual" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_3424AD6B3C4087188809E05A5CF927A4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_DebtInstrumentTable_3424AD6B3C4087188809E05A5CF927A4" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeAxis" xlink:label="loc_us-gaap_RangeAxis_7BB572487AE608464019E05A5CFAF6B6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_3424AD6B3C4087188809E05A5CF927A4" xlink:to="loc_us-gaap_RangeAxis_7BB572487AE608464019E05A5CFAF6B6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_9FBEC0B2D848B691EEF4E05A5CFA5ABF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_RangeAxis_7BB572487AE608464019E05A5CFAF6B6" xlink:to="loc_us-gaap_RangeMember_9FBEC0B2D848B691EEF4E05A5CFA5ABF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RangeMember" xlink:label="loc_us-gaap_RangeMember_9FBEC0B2D848B691EEF4E05A5CFA5ABF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_RangeAxis_7BB572487AE608464019E05A5CFAF6B6" xlink:to="loc_us-gaap_RangeMember_9FBEC0B2D848B691EEF4E05A5CFA5ABF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MinimumMember" xlink:label="loc_us-gaap_MinimumMember_7F6A5ADF62D5878D4458E05A5CFA33B7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_9FBEC0B2D848B691EEF4E05A5CFA5ABF" xlink:to="loc_us-gaap_MinimumMember_7F6A5ADF62D5878D4458E05A5CFA33B7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MaximumMember" xlink:label="loc_us-gaap_MaximumMember_7BB36DA979359BEEF814E05A5CFA70DD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_RangeMember_9FBEC0B2D848B691EEF4E05A5CFA5ABF" xlink:to="loc_us-gaap_MaximumMember_7BB36DA979359BEEF814E05A5CFA70DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="loc_us-gaap_VariableRateAxis_84F0066EEF7333CE9FEFE05A5CFB5E17" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_3424AD6B3C4087188809E05A5CF927A4" xlink:to="loc_us-gaap_VariableRateAxis_84F0066EEF7333CE9FEFE05A5CFB5E17" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_9F6B1DCBB86264A9DA7DE05A5CFB1792_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_VariableRateAxis_84F0066EEF7333CE9FEFE05A5CFB5E17" xlink:to="loc_us-gaap_VariableRateDomain_9F6B1DCBB86264A9DA7DE05A5CFB1792_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="loc_us-gaap_VariableRateDomain_9F6B1DCBB86264A9DA7DE05A5CFB1792" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_VariableRateAxis_84F0066EEF7333CE9FEFE05A5CFB5E17" xlink:to="loc_us-gaap_VariableRateDomain_9F6B1DCBB86264A9DA7DE05A5CFB1792" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_FederalFundsRateMember" xlink:label="loc_rfmd_FederalFundsRateMember_60AF48E33D409F7A78E4E05A5CFB684C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_9F6B1DCBB86264A9DA7DE05A5CFB1792" xlink:to="loc_rfmd_FederalFundsRateMember_60AF48E33D409F7A78E4E05A5CFB684C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EurodollarMember" xlink:label="loc_us-gaap_EurodollarMember_967499752ABD907AE4D8E05A5CFBBDA1" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_9F6B1DCBB86264A9DA7DE05A5CFB1792" xlink:to="loc_us-gaap_EurodollarMember_967499752ABD907AE4D8E05A5CFBBDA1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BaseRateMember" xlink:label="loc_us-gaap_BaseRateMember_FE91B1AB73C76F9CB63AE05A5CFB0A14" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_9F6B1DCBB86264A9DA7DE05A5CFB1792" xlink:to="loc_us-gaap_BaseRateMember_FE91B1AB73C76F9CB63AE05A5CFB0A14" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_DefaultrateMember" xlink:label="loc_rfmd_DefaultrateMember_5BC7D9C2A2EF6ADA12B2E05A5CFB76DD" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_VariableRateDomain_9F6B1DCBB86264A9DA7DE05A5CFB1792" xlink:to="loc_rfmd_DefaultrateMember_5BC7D9C2A2EF6ADA12B2E05A5CFB76DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityAxis" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis_02D2D0F97AA8B0436764E05A5CFB2FE0" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_3424AD6B3C4087188809E05A5CF927A4" xlink:to="loc_us-gaap_LineOfCreditFacilityAxis_02D2D0F97AA8B0436764E05A5CFB2FE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_4A199A2DDF1533E14155E05A5CFB6BB0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_02D2D0F97AA8B0436764E05A5CFB2FE0" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_4A199A2DDF1533E14155E05A5CFB6BB0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityLenderDomain" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain_4A199A2DDF1533E14155E05A5CFB6BB0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis_02D2D0F97AA8B0436764E05A5CFB2FE0" xlink:to="loc_us-gaap_LineOfCreditFacilityLenderDomain_4A199A2DDF1533E14155E05A5CFB6BB0" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_BankofAmericaSyndicateMember" xlink:label="loc_rfmd_BankofAmericaSyndicateMember_49F906865782526F5038E05A5CFB6648" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain_4A199A2DDF1533E14155E05A5CFB6BB0" xlink:to="loc_rfmd_BankofAmericaSyndicateMember_49F906865782526F5038E05A5CFB6648" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="loc_us-gaap_CreditFacilityAxis_E37C584720B617723E2FE05A5CFB9BE0" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_3424AD6B3C4087188809E05A5CF927A4" xlink:to="loc_us-gaap_CreditFacilityAxis_E37C584720B617723E2FE05A5CFB9BE0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_67F6D18CF3C396E1DA72E05A5CFB8906_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_CreditFacilityAxis_E37C584720B617723E2FE05A5CFB9BE0" xlink:to="loc_us-gaap_CreditFacilityDomain_67F6D18CF3C396E1DA72E05A5CFB8906_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="loc_us-gaap_CreditFacilityDomain_67F6D18CF3C396E1DA72E05A5CFB8906" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_CreditFacilityAxis_E37C584720B617723E2FE05A5CFB9BE0" xlink:to="loc_us-gaap_CreditFacilityDomain_67F6D18CF3C396E1DA72E05A5CFB8906" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_CreditAgreementMember" xlink:label="loc_rfmd_CreditAgreementMember_A712351175B49323AF73E05A5CFB853C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_CreditFacilityDomain_67F6D18CF3C396E1DA72E05A5CFB8906" xlink:to="loc_rfmd_CreditAgreementMember_A712351175B49323AF73E05A5CFB853C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_62FC4DE76FA0130933A1E05A5CFB1CC5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_CreditAgreementMember_A712351175B49323AF73E05A5CFB853C" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_62FC4DE76FA0130933A1E05A5CFB1CC5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StandbyLettersOfCreditMember" xlink:label="loc_us-gaap_StandbyLettersOfCreditMember_3C3B6C98283D48929D12E05A5CFCD39E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_CreditAgreementMember_A712351175B49323AF73E05A5CFB853C" xlink:to="loc_us-gaap_StandbyLettersOfCreditMember_3C3B6C98283D48929D12E05A5CFCD39E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BridgeLoanMember" xlink:label="loc_us-gaap_BridgeLoanMember_E58CA406AE7E8321910CE05A5CFC6C80" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_CreditAgreementMember_A712351175B49323AF73E05A5CFB853C" xlink:to="loc_us-gaap_BridgeLoanMember_E58CA406AE7E8321910CE05A5CFC6C80" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_C993B12DEEDF8551B3F2E05A5CFC4524" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_3424AD6B3C4087188809E05A5CF927A4" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_C993B12DEEDF8551B3F2E05A5CFC4524" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_17B8523E3F8D04E80DECE05A5CFC1F6B_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C993B12DEEDF8551B3F2E05A5CFC4524" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_17B8523E3F8D04E80DECE05A5CFC1F6B_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_17B8523E3F8D04E80DECE05A5CFC1F6B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_C993B12DEEDF8551B3F2E05A5CFC4524" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_17B8523E3F8D04E80DECE05A5CFC1F6B" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_A6.75SeniorNotesdue2023Member" xlink:label="loc_rfmd_A6.75SeniorNotesdue2023Member_947FB778C0C08F24440AE05A5CFCF7CF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_17B8523E3F8D04E80DECE05A5CFC1F6B" xlink:to="loc_rfmd_A6.75SeniorNotesdue2023Member_947FB778C0C08F24440AE05A5CFCF7CF" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_CreditAgreementMember" xlink:label="loc_rfmd_CreditAgreementMember_2DD1A2FE978338C4D169E05A5CFCEA0C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_17B8523E3F8D04E80DECE05A5CFC1F6B" xlink:to="loc_rfmd_CreditAgreementMember_2DD1A2FE978338C4D169E05A5CFCEA0C" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_A7.00SeniorNotesdue2025Member" xlink:label="loc_rfmd_A7.00SeniorNotesdue2025Member_D881CF7379599186867BE05A5CFC488B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_17B8523E3F8D04E80DECE05A5CFC1F6B" xlink:to="loc_rfmd_A7.00SeniorNotesdue2025Member_D881CF7379599186867BE05A5CFC488B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SeniorNotesMember" xlink:label="loc_us-gaap_SeniorNotesMember_18C283AD8EF4F5259D92E05A5CFCE77A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_LongtermDebtTypeDomain_17B8523E3F8D04E80DECE05A5CFC1F6B" xlink:to="loc_us-gaap_SeniorNotesMember_18C283AD8EF4F5259D92E05A5CFCE77A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_35D662C2B646D9924188E05A5CFCC2DA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_35D662C2B646D9924188E05A5CFCC2DA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebt" xlink:label="loc_us-gaap_LongTermDebt_4F9D4667F88192A17A62E05A5CFC2C8B" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_LongTermDebt_4F9D4667F88192A17A62E05A5CFC2C8B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_34F5638B67E0258D48EFE05A5CFCC90F" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_34F5638B67E0258D48EFE05A5CFCC90F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpenseBorrowings" xlink:label="loc_us-gaap_InterestExpenseBorrowings_C2CEE2FD214FFC49E7C8E05A5CFD6C5C" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_InterestExpenseBorrowings_C2CEE2FD214FFC49E7C8E05A5CFD6C5C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestCostsCapitalized" xlink:label="loc_us-gaap_InterestCostsCapitalized_85D674D4C8DCF4EC1904E05A5CFD880B" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_InterestCostsCapitalized_85D674D4C8DCF4EC1904E05A5CFD880B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_85FD751BB3BB50869D33E05A5CFDBEE8" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_85FD751BB3BB50869D33E05A5CFDBEE8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentRedemptionPricePercentage" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_37E71D5116733D587D67E05A5CFD3C6F" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPricePercentage_37E71D5116733D587D67E05A5CFD3C6F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongTermDebtFairValue" xlink:label="loc_us-gaap_LongTermDebtFairValue_50426E4E6F47309E9A1EE05A5CFD7E38" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_LongTermDebtFairValue_50426E4E6F47309E9A1EE05A5CFD7E38" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_UnamortizedDebtIssuanceExpense" xlink:label="loc_us-gaap_UnamortizedDebtIssuanceExpense_5C5F2CB3BAB4C018F1A8E05A5CFDA4A0" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_UnamortizedDebtIssuanceExpense_5C5F2CB3BAB4C018F1A8E05A5CFDA4A0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestPaid" xlink:label="loc_us-gaap_InterestPaid_09099F8280289B0B6DB4E05A5CFD05EC" xlink:type="locator" />
    <link:definitionArc order="10" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_InterestPaid_09099F8280289B0B6DB4E05A5CFD05EC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_11B1D2FDFCBA038000BCE05A5CFD3EE2" xlink:type="locator" />
    <link:definitionArc order="11" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_11B1D2FDFCBA038000BCE05A5CFD3EE2" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_LineOfCreditFacilityMaximumAmountOfIncreaseThatMayBeRequested" xlink:label="loc_rfmd_LineOfCreditFacilityMaximumAmountOfIncreaseThatMayBeRequested_909CBDDED1F53538BFA0E05A5CFD2741" xlink:type="locator" />
    <link:definitionArc order="12" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_rfmd_LineOfCreditFacilityMaximumAmountOfIncreaseThatMayBeRequested_909CBDDED1F53538BFA0E05A5CFD2741" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_LineofCreditFacilityMaximumConsolidatedTotalLeverageRatioAllowed" xlink:label="loc_rfmd_LineofCreditFacilityMaximumConsolidatedTotalLeverageRatioAllowed_58E67E1FB0B07B0E43D6E05A5CFD18CD" xlink:type="locator" />
    <link:definitionArc order="13" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_rfmd_LineofCreditFacilityMaximumConsolidatedTotalLeverageRatioAllowed_58E67E1FB0B07B0E43D6E05A5CFD18CD" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_LineofCreditFacilityMinimumConsolidatedInterestCoverageRatioRequired" xlink:label="loc_rfmd_LineofCreditFacilityMinimumConsolidatedInterestCoverageRatioRequired_690916357A94850F943AE05A5CFD72FC" xlink:type="locator" />
    <link:definitionArc order="14" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_rfmd_LineofCreditFacilityMinimumConsolidatedInterestCoverageRatioRequired_690916357A94850F943AE05A5CFD72FC" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_17205ED82601B90258B6E05A5CFD6460" xlink:type="locator" />
    <link:definitionArc order="15" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_B5C5FD1666052F9B6C3FE05A5CFC0D60" xlink:to="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_17205ED82601B90258B6E05A5CFD6460" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/DebtTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/DocumentAndEntityInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/GoodwillAndIntangibleAssets" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C722B689BFFF5BB6BDD58D6FFD61AC1B" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_CA5DF5E17F57561892B077A528CFD53F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C722B689BFFF5BB6BDD58D6FFD61AC1B" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_CA5DF5E17F57561892B077A528CFD53F" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_068BDE7AF07F5F229DE40D435EA3D85F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_CA5DF5E17F57561892B077A528CFD53F" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_068BDE7AF07F5F229DE40D435EA3D85F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B5E95588870CEC90222BF7E01E20C126_9241F52902AE53289B6CC12C9C879194" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_068BDE7AF07F5F229DE40D435EA3D85F" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_B5E95588870CEC90222BF7E01E20C126_9241F52902AE53289B6CC12C9C879194" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7B23A211E7125B2CBE8ADA7AB00F6AD5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_068BDE7AF07F5F229DE40D435EA3D85F" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7B23A211E7125B2CBE8ADA7AB00F6AD5" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_GreenPeakMember" xlink:label="loc_rfmd_GreenPeakMember_10B07EF492ED558AA3E6F4379390D391" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_7B23A211E7125B2CBE8ADA7AB00F6AD5" xlink:to="loc_rfmd_GreenPeakMember_10B07EF492ED558AA3E6F4379390D391" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_651F00F42C255B46BF879AB736DBAFAB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_CA5DF5E17F57561892B077A528CFD53F" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_651F00F42C255B46BF879AB736DBAFAB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_95FAC8C17CF5C6F6EEFAF7E01E202FF0_9241F52902AE53289B6CC12C9C879194" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_651F00F42C255B46BF879AB736DBAFAB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_95FAC8C17CF5C6F6EEFAF7E01E202FF0_9241F52902AE53289B6CC12C9C879194" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_307335A1A1FA5FD78EDF89D4619A5C73" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_651F00F42C255B46BF879AB736DBAFAB" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_307335A1A1FA5FD78EDF89D4619A5C73" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_33C0865E0EC75FD49796067B76160166" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_CA5DF5E17F57561892B077A528CFD53F" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_33C0865E0EC75FD49796067B76160166" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_391707BD42159B7AD647F7E01E20A42F_9241F52902AE53289B6CC12C9C879194" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_33C0865E0EC75FD49796067B76160166" xlink:to="loc_us-gaap_SegmentDomain_391707BD42159B7AD647F7E01E20A42F_9241F52902AE53289B6CC12C9C879194" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_623C3751120957128062163FD4995C14" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_33C0865E0EC75FD49796067B76160166" xlink:to="loc_us-gaap_SegmentDomain_623C3751120957128062163FD4995C14" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_MobileProductsMember" xlink:label="loc_rfmd_MobileProductsMember_E17DA7E87A635F21B22D6213B75F9F79" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_623C3751120957128062163FD4995C14" xlink:to="loc_rfmd_MobileProductsMember_E17DA7E87A635F21B22D6213B75F9F79" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_InfrastructureandDefenseProductsMember" xlink:label="loc_rfmd_InfrastructureandDefenseProductsMember_1A39731348A45AC383B862BBE22B5E51" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_623C3751120957128062163FD4995C14" xlink:to="loc_rfmd_InfrastructureandDefenseProductsMember_1A39731348A45AC383B862BBE22B5E51" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillRollForward" xlink:label="loc_us-gaap_GoodwillRollForward_2F74688C4174586D90631038E84B31A1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_C722B689BFFF5BB6BDD58D6FFD61AC1B" xlink:to="loc_us-gaap_GoodwillRollForward_2F74688C4174586D90631038E84B31A1" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_248283BB6A0852C388B50DCD23E0A99A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_2F74688C4174586D90631038E84B31A1" xlink:to="loc_us-gaap_Goodwill_248283BB6A0852C388B50DCD23E0A99A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_BB6439B501BF5B239C512F78ADC2DE5C" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_GoodwillRollForward_2F74688C4174586D90631038E84B31A1" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_BB6439B501BF5B239C512F78ADC2DE5C" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_0E3BC2670FDF51F39298DF0E7FA8A9FE" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AC8DF184C66E590CAE16CE88538FC715" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_0E3BC2670FDF51F39298DF0E7FA8A9FE" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AC8DF184C66E590CAE16CE88538FC715" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_F2A4FA218BD450A0A2CAF21251CF3173" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_AC8DF184C66E590CAE16CE88538FC715" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_F2A4FA218BD450A0A2CAF21251CF3173" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_0252404CCEA558FBBCE03F4EE59513FF_9241F52902AE53289B6CC12C9C879194" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_F2A4FA218BD450A0A2CAF21251CF3173" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_0252404CCEA558FBBCE03F4EE59513FF_9241F52902AE53289B6CC12C9C879194" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_F2A4FA218BD450A0A2CAF21251CF3173" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InProcessResearchAndDevelopmentMember" xlink:label="loc_us-gaap_InProcessResearchAndDevelopmentMember_2DE14947C94A5B48A7F3FD9ACB580E97" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:to="loc_us-gaap_InProcessResearchAndDevelopmentMember_2DE14947C94A5B48A7F3FD9ACB580E97" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LicensingAgreementsMember" xlink:label="loc_us-gaap_LicensingAgreementsMember_CE855510A0985A7EBCB934A05E249241" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:to="loc_us-gaap_LicensingAgreementsMember_CE855510A0985A7EBCB934A05E249241" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_4AFCF0EEE8A551858AEFB1034D4C5C49" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:to="loc_us-gaap_CustomerRelationshipsMember_4AFCF0EEE8A551858AEFB1034D4C5C49" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_5EBD58B4A0945DCF957B2B8A7DAFF3D7" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_5EBD58B4A0945DCF957B2B8A7DAFF3D7" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_WaferSupplyAgreementMember" xlink:label="loc_rfmd_WaferSupplyAgreementMember_75FCC92F7DC8528995CD05B278A9B360" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:to="loc_rfmd_WaferSupplyAgreementMember_75FCC92F7DC8528995CD05B278A9B360" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_TradeNamesMember" xlink:label="loc_us-gaap_TradeNamesMember_D45456C79FF5545B8A7823417D766D24" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:to="loc_us-gaap_TradeNamesMember_D45456C79FF5545B8A7823417D766D24" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OrderOrProductionBacklogMember" xlink:label="loc_us-gaap_OrderOrProductionBacklogMember_C16B14C4BD245028A6EF01339DFA9030" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:to="loc_us-gaap_OrderOrProductionBacklogMember_C16B14C4BD245028A6EF01339DFA9030" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_NoncompeteAgreementsMember" xlink:label="loc_us-gaap_NoncompeteAgreementsMember_FD669FD70F145DBDA49D0C1B3B1B7FBE" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_BF2B047172EC579CBDAC86B9A385746B" xlink:to="loc_us-gaap_NoncompeteAgreementsMember_FD669FD70F145DBDA49D0C1B3B1B7FBE" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_AEAEBBEBE1FC56149A674954E08D095D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_0E3BC2670FDF51F39298DF0E7FA8A9FE" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_AEAEBBEBE1FC56149A674954E08D095D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_2E9F4DA56DF2577CA289947400B76DE5" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_0E3BC2670FDF51F39298DF0E7FA8A9FE" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_2E9F4DA56DF2577CA289947400B76DE5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_26DB3148D9F45741A8A0E1693E99E1CB" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_0E3BC2670FDF51F39298DF0E7FA8A9FE" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_26DB3148D9F45741A8A0E1693E99E1CB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_B97D66E28FCB5E0BA569680307694F43" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_0E3BC2670FDF51F39298DF0E7FA8A9FE" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_B97D66E28FCB5E0BA569680307694F43" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsDetails2" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsDetailsTextual" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionLineItems" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_99C043DD256220A569BBF0C2B2923B84" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_99C043DD256220A569BBF0C2B2923B84" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_2BABCB363D1DD8ADA815F0C2B292E8D6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_99C043DD256220A569BBF0C2B2923B84" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_2BABCB363D1DD8ADA815F0C2B292E8D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_57606629C62644DDFCF3F0C2B292C180_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2BABCB363D1DD8ADA815F0C2B292E8D6" xlink:to="loc_us-gaap_SegmentDomain_57606629C62644DDFCF3F0C2B292C180_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_57606629C62644DDFCF3F0C2B292C180" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_2BABCB363D1DD8ADA815F0C2B292E8D6" xlink:to="loc_us-gaap_SegmentDomain_57606629C62644DDFCF3F0C2B292C180" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_MobileProductsMember" xlink:label="loc_rfmd_MobileProductsMember_3064F09A9BA1459C2E74F0C2B2921878" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_57606629C62644DDFCF3F0C2B292C180" xlink:to="loc_rfmd_MobileProductsMember_3064F09A9BA1459C2E74F0C2B2921878" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_InfrastructureandDefenseProductsMember" xlink:label="loc_rfmd_InfrastructureandDefenseProductsMember_FAEC0FE9C4740FD13403F0C2B29279C6" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_57606629C62644DDFCF3F0C2B292C180" xlink:to="loc_rfmd_InfrastructureandDefenseProductsMember_FAEC0FE9C4740FD13403F0C2B29279C6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_70FF10E9A87D51492E8BF0C2B2928897" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_99C043DD256220A569BBF0C2B2923B84" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_70FF10E9A87D51492E8BF0C2B2928897" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C27B54F53906E08C7218F0C2B292E4D3_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_70FF10E9A87D51492E8BF0C2B2928897" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C27B54F53906E08C7218F0C2B292E4D3_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C27B54F53906E08C7218F0C2B292E4D3" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_70FF10E9A87D51492E8BF0C2B2928897" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C27B54F53906E08C7218F0C2B292E4D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_F8A8F528B110E65D2BAAF0C2B292021F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C27B54F53906E08C7218F0C2B292E4D3" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_F8A8F528B110E65D2BAAF0C2B292021F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CustomerRelationshipsMember" xlink:label="loc_us-gaap_CustomerRelationshipsMember_29D2BB5947BBD8E2060CF0C2B292CB6E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_C27B54F53906E08C7218F0C2B292E4D3" xlink:to="loc_us-gaap_CustomerRelationshipsMember_29D2BB5947BBD8E2060CF0C2B292CB6E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAxis" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_D38BB8B4A87CC21300AAF0C2B292390D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_99C043DD256220A569BBF0C2B2923B84" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_D38BB8B4A87CC21300AAF0C2B292390D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3D5E3953E2CAC9901C40F0C2B2925305_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_D38BB8B4A87CC21300AAF0C2B292390D" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3D5E3953E2CAC9901C40F0C2B2925305_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3D5E3953E2CAC9901C40F0C2B2925305" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_D38BB8B4A87CC21300AAF0C2B292390D" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3D5E3953E2CAC9901C40F0C2B2925305" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_GreenPeakMember" xlink:label="loc_rfmd_GreenPeakMember_D6C0A0C1AC559D1E8F0AF0C2B292DE84" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_3D5E3953E2CAC9901C40F0C2B2925305" xlink:to="loc_rfmd_GreenPeakMember_D6C0A0C1AC559D1E8F0AF0C2B292DE84" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_Completedandtransferredacquiredinprocessresearchanddevelopmentduringperiod" xlink:label="loc_rfmd_Completedandtransferredacquiredinprocessresearchanddevelopmentduringperiod_EDD7CF2390F7F8258945F0D941124624" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_rfmd_Completedandtransferredacquiredinprocessresearchanddevelopmentduringperiod_EDD7CF2390F7F8258945F0D941124624" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_C70F87212BA834E1D5B6F0D85F333047" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_C70F87212BA834E1D5B6F0D85F333047" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_2D9DF81044533095B407F0C2B2920870" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_2D9DF81044533095B407F0C2B2920870" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_Goodwill" xlink:label="loc_us-gaap_Goodwill_FCF8BDB867B315DBBEEFF0C2B292155A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_us-gaap_Goodwill_FCF8BDB867B315DBBEEFF0C2B292155A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FinitelivedIntangibleAssetsAcquired1" xlink:label="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_D4FA20AAC06AC973793FF0C2B292E7F8" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_us-gaap_FinitelivedIntangibleAssetsAcquired1_D4FA20AAC06AC973793FF0C2B292E7F8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillPurchaseAccountingAdjustments" xlink:label="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_DD9C0AEC2CDC5FDAD2B6F0C2B292A6F4" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_us-gaap_GoodwillPurchaseAccountingAdjustments_DD9C0AEC2CDC5FDAD2B6F0C2B292A6F4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife" xlink:label="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_309FD0F332F262D5345EF0C2B2921FDB" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife_309FD0F332F262D5345EF0C2B2921FDB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_BusinessCombinationConsiderationTransferred1" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1_6A7228ADA9E69CAEC902F0C2B292B83D" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_us-gaap_BusinessCombinationConsiderationTransferred1_6A7228ADA9E69CAEC902F0C2B292B83D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_D09C015548ECEE1DAA38F0C2B2926E78" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_ADFF31FFC81CD5C19637F0C2B2929ABA" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_D09C015548ECEE1DAA38F0C2B2926E78" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/GoodwillAndIntangibleAssetsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/IncomeTaxes" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/IncomeTaxesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/Inventories" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/InventoriesDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/InventoriesTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurements" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_4A0D47F7582C5B228195A6D418A1F6E5" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_22057417EA7155729254236D06C3ED25" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_4A0D47F7582C5B228195A6D418A1F6E5" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_22057417EA7155729254236D06C3ED25" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_083CF9AAC6D95DF3B49B3DFC0A4078BD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_22057417EA7155729254236D06C3ED25" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_083CF9AAC6D95DF3B49B3DFC0A4078BD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_E1938BBE86D9F4737021566474E3F91B_B9A0BE67793056049D6E2E050E646CFD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_083CF9AAC6D95DF3B49B3DFC0A4078BD" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_E1938BBE86D9F4737021566474E3F91B_B9A0BE67793056049D6E2E050E646CFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_CB0FE616D3F851AD817283A20E53204A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_083CF9AAC6D95DF3B49B3DFC0A4078BD" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_CB0FE616D3F851AD817283A20E53204A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_USTreasuryAndGovernmentMember" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_CDC94DE2FF995D4E88952A3AE49DE874" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_CB0FE616D3F851AD817283A20E53204A" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_CDC94DE2FF995D4E88952A3AE49DE874" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AuctionRateSecuritiesMember" xlink:label="loc_us-gaap_AuctionRateSecuritiesMember_B714FCE7DF6E5A4BA2A3E0DF1BFF2938" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_CB0FE616D3F851AD817283A20E53204A" xlink:to="loc_us-gaap_AuctionRateSecuritiesMember_B714FCE7DF6E5A4BA2A3E0DF1BFF2938" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_51C62E2F5D645D1EA4439071AC759E4E" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_CB0FE616D3F851AD817283A20E53204A" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_51C62E2F5D645D1EA4439071AC759E4E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_AD998E5E7DAB5A7C9DC5636616670E7B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_CB0FE616D3F851AD817283A20E53204A" xlink:to="loc_us-gaap_MoneyMarketFundsMember_AD998E5E7DAB5A7C9DC5636616670E7B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAbstract" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAbstract_A5DE1B8F10B35674ABB2A09D228326EA" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_4A0D47F7582C5B228195A6D418A1F6E5" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAbstract_A5DE1B8F10B35674ABB2A09D228326EA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_80EDCD0288A758029CD858D91D8974B2" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAbstract_A5DE1B8F10B35674ABB2A09D228326EA" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAmortizedCost_80EDCD0288A758029CD858D91D8974B2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_3D5279493F905B09BD1B7BEEB53F83DD" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAbstract_A5DE1B8F10B35674ABB2A09D228326EA" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax_3D5279493F905B09BD1B7BEEB53F83DD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_67720661CDFC5C4696B67E6397CF4AC5" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAbstract_A5DE1B8F10B35674ABB2A09D228326EA" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax_67720661CDFC5C4696B67E6397CF4AC5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecurities_746C21A3CE085CDB8E3EDBD54C83F15D" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_AvailableForSaleSecuritiesAbstract_A5DE1B8F10B35674ABB2A09D228326EA" xlink:to="loc_us-gaap_AvailableForSaleSecurities_746C21A3CE085CDB8E3EDBD54C83F15D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_0ABDB05AC8C2531D831D70D85990CD1E" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_CD919B135D3E57C083484F98EBF50563" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_0ABDB05AC8C2531D831D70D85990CD1E" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_CD919B135D3E57C083484F98EBF50563" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_5689346376A757A8B88B95F6BAFD9042" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_CD919B135D3E57C083484F98EBF50563" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_5689346376A757A8B88B95F6BAFD9042" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_09B46B7D8449F184B0DB566474E312D8_B9A0BE67793056049D6E2E050E646CFD" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_5689346376A757A8B88B95F6BAFD9042" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_09B46B7D8449F184B0DB566474E312D8_B9A0BE67793056049D6E2E050E646CFD" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_45A664DE17C05D98AF9A13CF4858E197" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_5689346376A757A8B88B95F6BAFD9042" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_45A664DE17C05D98AF9A13CF4858E197" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtSecuritiesMember" xlink:label="loc_us-gaap_DebtSecuritiesMember_EC9CAED4D6D1543EB75F275B484939B4" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_45A664DE17C05D98AF9A13CF4858E197" xlink:to="loc_us-gaap_DebtSecuritiesMember_EC9CAED4D6D1543EB75F275B484939B4" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_F55016B3E43A5FE48AFF6F73DE59F815" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_0ABDB05AC8C2531D831D70D85990CD1E" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost_F55016B3E43A5FE48AFF6F73DE59F815" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_013E59D1F9CA556FA7CF7290A49A2E63" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_0ABDB05AC8C2531D831D70D85990CD1E" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost_013E59D1F9CA556FA7CF7290A49A2E63" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis" xlink:label="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_AAD3F42D90B45425900153590981653C" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_0ABDB05AC8C2531D831D70D85990CD1E" xlink:to="loc_us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis_AAD3F42D90B45425900153590981653C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_B8D2F1D1F80E5D48A571D60E218C0495" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_0ABDB05AC8C2531D831D70D85990CD1E" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue_B8D2F1D1F80E5D48A571D60E218C0495" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_B89C1400F75E5BBCBC1031EFDCE93C53" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_0ABDB05AC8C2531D831D70D85990CD1E" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue_B89C1400F75E5BBCBC1031EFDCE93C53" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_5ED4D6B3114859D78B135DD5CB55F64B" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_0ABDB05AC8C2531D831D70D85990CD1E" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_5ED4D6B3114859D78B135DD5CB55F64B" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsDetails2" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_49BC32B53E93C426DE37006F103CDAF4" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_E043F2BB101C5F35CAD3006F1035F851" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_49BC32B53E93C426DE37006F103CDAF4" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_E043F2BB101C5F35CAD3006F1035F851" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_FBF4CB9CD6DDA98162D7006F1036723E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_E043F2BB101C5F35CAD3006F1035F851" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_FBF4CB9CD6DDA98162D7006F1036723E" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_EC1C3C376A7AA4B2429E006F103681FB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_FBF4CB9CD6DDA98162D7006F1036723E" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_EC1C3C376A7AA4B2429E006F103681FB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_EC1C3C376A7AA4B2429E006F103681FB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_FBF4CB9CD6DDA98162D7006F1036723E" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_EC1C3C376A7AA4B2429E006F103681FB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_USTreasuryAndGovernmentMember" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_8FB8FED6876B11D8307B006F103681D7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_EC1C3C376A7AA4B2429E006F103681FB" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_8FB8FED6876B11D8307B006F103681D7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AuctionRateSecuritiesMember" xlink:label="loc_us-gaap_AuctionRateSecuritiesMember_5190C5EF1DB8ACE4A9BB006F1036D793" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_EC1C3C376A7AA4B2429E006F103681FB" xlink:to="loc_us-gaap_AuctionRateSecuritiesMember_5190C5EF1DB8ACE4A9BB006F1036D793" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateDebtSecuritiesMember" xlink:label="loc_us-gaap_CorporateDebtSecuritiesMember_B410AA76E156B0CAC750006F1037EEA8" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_EC1C3C376A7AA4B2429E006F103681FB" xlink:to="loc_us-gaap_CorporateDebtSecuritiesMember_B410AA76E156B0CAC750006F1037EEA8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MoneyMarketFundsMember" xlink:label="loc_us-gaap_MoneyMarketFundsMember_F3C43B67C581C782F42D006F10375B8A" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_EC1C3C376A7AA4B2429E006F103681FB" xlink:to="loc_us-gaap_MoneyMarketFundsMember_F3C43B67C581C782F42D006F10375B8A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_E31B9468F0B0343CC29E006F1037FD47" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_E043F2BB101C5F35CAD3006F1035F851" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_E31B9468F0B0343CC29E006F1037FD47" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_F42046011EEE108FC831006F10379D06_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_E31B9468F0B0343CC29E006F1037FD47" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_F42046011EEE108FC831006F10379D06_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_F42046011EEE108FC831006F10379D06" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_E31B9468F0B0343CC29E006F1037FD47" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_F42046011EEE108FC831006F10379D06" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_690B77D705016A0090EF006F1037959D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_F42046011EEE108FC831006F10379D06" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_690B77D705016A0090EF006F1037959D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_19D74AE9E249E7B9CF94006F10379D02" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_E043F2BB101C5F35CAD3006F1035F851" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_19D74AE9E249E7B9CF94006F10379D02" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52DD41E0D124FA9441C7006F103CCCBF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_19D74AE9E249E7B9CF94006F10379D02" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52DD41E0D124FA9441C7006F103CCCBF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52DD41E0D124FA9441C7006F103CCCBF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_19D74AE9E249E7B9CF94006F10379D02" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52DD41E0D124FA9441C7006F103CCCBF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_EF112587700A49761219006F103CDC29" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52DD41E0D124FA9441C7006F103CCCBF" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_EF112587700A49761219006F103CDC29" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_C95F3074FEFFF37F6B56006F103C71D3" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_52DD41E0D124FA9441C7006F103CCCBF" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_C95F3074FEFFF37F6B56006F103C71D3" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesDebtSecurities" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_7B41E87140854E3C8C4D00750E7DF7FF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_49BC32B53E93C426DE37006F103CDAF4" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesDebtSecurities_7B41E87140854E3C8C4D00750E7DF7FF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredCompensationPlanAssets" xlink:label="loc_us-gaap_DeferredCompensationPlanAssets_59FAE7EB57887642C77B006F103C82DF" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_49BC32B53E93C426DE37006F103CDAF4" xlink:to="loc_us-gaap_DeferredCompensationPlanAssets_59FAE7EB57887642C77B006F103C82DF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AssetsFairValueDisclosureRecurring" xlink:label="loc_us-gaap_AssetsFairValueDisclosureRecurring_CB4346ACDF3D1FAA3B170075EA42CF70" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_49BC32B53E93C426DE37006F103CDAF4" xlink:to="loc_us-gaap_AssetsFairValueDisclosureRecurring_CB4346ACDF3D1FAA3B170075EA42CF70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent" xlink:label="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_6086B1A1B8B68756EBCC006F103DCE50" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_49BC32B53E93C426DE37006F103CDAF4" xlink:to="loc_us-gaap_DeferredCompensationLiabilityCurrentAndNoncurrent_6086B1A1B8B68756EBCC006F103DCE50" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LiabilitiesFairValueDisclosureRecurring" xlink:label="loc_us-gaap_LiabilitiesFairValueDisclosureRecurring_A447ADC1567664335A02006F103D1139" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_49BC32B53E93C426DE37006F103CDAF4" xlink:to="loc_us-gaap_LiabilitiesFairValueDisclosureRecurring_A447ADC1567664335A02006F103D1139" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsDetailsTextual" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_1E417E4633DD75536B4CF0C2B2026B5F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfAvailableForSaleSecuritiesTable" xlink:label="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_69B9DD86F0402CE402EDF0C2B201D377" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_1E417E4633DD75536B4CF0C2B2026B5F" xlink:to="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_69B9DD86F0402CE402EDF0C2B201D377" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9BD4B04BF8E828F1FBDEF0C2B201A451" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_69B9DD86F0402CE402EDF0C2B201D377" xlink:to="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9BD4B04BF8E828F1FBDEF0C2B201A451" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_31C70A530ADE65FF4770F0C2B201A4EF_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9BD4B04BF8E828F1FBDEF0C2B201A451" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_31C70A530ADE65FF4770F0C2B201A4EF_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvesteeNameDomain" xlink:label="loc_us-gaap_EquityMethodInvesteeNameDomain_31C70A530ADE65FF4770F0C2B201A4EF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_9BD4B04BF8E828F1FBDEF0C2B201A451" xlink:to="loc_us-gaap_EquityMethodInvesteeNameDomain_31C70A530ADE65FF4770F0C2B201A4EF" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_CavendishMember" xlink:label="loc_rfmd_CavendishMember_AA3495CA793E707211C6F0C2B20138C7" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_EquityMethodInvesteeNameDomain_31C70A530ADE65FF4770F0C2B201A4EF" xlink:to="loc_rfmd_CavendishMember_AA3495CA793E707211C6F0C2B20138C7" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_285362582DF3B97979F3F0C2B20121AB" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_69B9DD86F0402CE402EDF0C2B201D377" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_285362582DF3B97979F3F0C2B20121AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D74D7E45BF474BC19F24F0C2B201E7AB_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_285362582DF3B97979F3F0C2B20121AB" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D74D7E45BF474BC19F24F0C2B201E7AB_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D74D7E45BF474BC19F24F0C2B201E7AB" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_285362582DF3B97979F3F0C2B20121AB" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_D74D7E45BF474BC19F24F0C2B201E7AB" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_02A0C02170A4CA921075F0C2B2029985" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesTable_69B9DD86F0402CE402EDF0C2B201D377" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_02A0C02170A4CA921075F0C2B2029985" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_7F225F3F0E865316357FF0C2B202A7C0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_02A0C02170A4CA921075F0C2B2029985" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_7F225F3F0E865316357FF0C2B202A7C0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain" xlink:label="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_7F225F3F0E865316357FF0C2B202A7C0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis_02A0C02170A4CA921075F0C2B2029985" xlink:to="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_7F225F3F0E865316357FF0C2B202A7C0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_USTreasuryAndGovernmentMember" xlink:label="loc_us-gaap_USTreasuryAndGovernmentMember_AB0C944D1F67E09C7B93F0C2B2025DF6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_MajorTypesOfDebtAndEquitySecuritiesDomain_7F225F3F0E865316357FF0C2B202A7C0" xlink:to="loc_us-gaap_USTreasuryAndGovernmentMember_AB0C944D1F67E09C7B93F0C2B2025DF6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_7355EDE6A3128F8291C6F0EA9C3C299A" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_1E417E4633DD75536B4CF0C2B2026B5F" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue_7355EDE6A3128F8291C6F0EA9C3C299A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_EquityMethodInvestments" xlink:label="loc_us-gaap_EquityMethodInvestments_933FDC2C0B1215A3D3ADF0C2B20270FA" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_1E417E4633DD75536B4CF0C2B2026B5F" xlink:to="loc_us-gaap_EquityMethodInvestments_933FDC2C0B1215A3D3ADF0C2B20270FA" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesGrossRealizedGains" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_CBE0DA097A9F17FD9D35F0C2B2024A5B" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_1E417E4633DD75536B4CF0C2B2026B5F" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesGrossRealizedGains_CBE0DA097A9F17FD9D35F0C2B2024A5B" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_InvestmentsAndFairValueMeasurementsTextualAbstract" xlink:label="loc_rfmd_InvestmentsAndFairValueMeasurementsTextualAbstract_AEEF7D207EBB18D28D60F0C2B20227C5" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_1E417E4633DD75536B4CF0C2B2026B5F" xlink:to="loc_rfmd_InvestmentsAndFairValueMeasurementsTextualAbstract_AEEF7D207EBB18D28D60F0C2B20227C5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_CD64247E0EFAA5424B25F0C2B202DB70" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_InvestmentsAndFairValueMeasurementsTextualAbstract_AEEF7D207EBB18D28D60F0C2B20227C5" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue_CD64247E0EFAA5424B25F0C2B202DB70" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue_7F7701D5717810746B73F0C2B202C379" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_1E417E4633DD75536B4CF0C2B2026B5F" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue_7F7701D5717810746B73F0C2B202C379" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss" xlink:label="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_A0A5E0C7DB51B051BDE6F0C2B202FC42" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems_1E417E4633DD75536B4CF0C2B2026B5F" xlink:to="loc_us-gaap_AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss_A0A5E0C7DB51B051BDE6F0C2B202FC42" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/InvestmentsAndFairValueMeasurementsTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/NetLossIncomePerShare" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/NetLossIncomePerShareDetails" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/NetLossIncomePerShareDetailsTextual" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentLineItems" xlink:label="loc_us-gaap_DebtInstrumentLineItems_4C3494DDD2A365F7F9CEF0C2B34D177F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentTable" xlink:label="loc_us-gaap_DebtInstrumentTable_E5D94FC1DA8ECF7BA1A0F0C2B34D4FC6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4C3494DDD2A365F7F9CEF0C2B34D177F" xlink:to="loc_us-gaap_DebtInstrumentTable_E5D94FC1DA8ECF7BA1A0F0C2B34D4FC6" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeAxis" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_38C6FF0D56424989A81AF0C2B34D5A45" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_DebtInstrumentTable_E5D94FC1DA8ECF7BA1A0F0C2B34D4FC6" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_38C6FF0D56424989A81AF0C2B34D5A45" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_879ABB1DBEF5340CC26AF0C2B34D8BCE_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_38C6FF0D56424989A81AF0C2B34D5A45" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_879ABB1DBEF5340CC26AF0C2B34D8BCE_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LongtermDebtTypeDomain" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_879ABB1DBEF5340CC26AF0C2B34D8BCE" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_38C6FF0D56424989A81AF0C2B34D5A45" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_879ABB1DBEF5340CC26AF0C2B34D8BCE" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_NetLossIncomePerShareTextualAbstract" xlink:label="loc_rfmd_NetLossIncomePerShareTextualAbstract_0B5EDE6F5B4BE0729BB0F0C2B34D69F9" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_DebtInstrumentLineItems_4C3494DDD2A365F7F9CEF0C2B34D177F" xlink:to="loc_rfmd_NetLossIncomePerShareTextualAbstract_0B5EDE6F5B4BE0729BB0F0C2B34D69F9" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_DebtInstrumentFaceAmount" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_74E865441289D8463595F0C2B34DB0B6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_NetLossIncomePerShareTextualAbstract_0B5EDE6F5B4BE0729BB0F0C2B34D69F9" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_74E865441289D8463595F0C2B34DB0B6" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/NetLossIncomePerShareTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/OperatingSegmentInformation" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/OperatingSegmentInformationDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems" xlink:label="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_2DCBF6F993371FA95838D6B7613AE4FF" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_9682378D10C550D6C2D6D6B7613A3006" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_2DCBF6F993371FA95838D6B7613AE4FF" xlink:to="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_9682378D10C550D6C2D6D6B7613A3006" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_51136A1BD72C0209F5AAD6B7613ADE1F" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_9682378D10C550D6C2D6D6B7613A3006" xlink:to="loc_us-gaap_ConsolidationItemsAxis_51136A1BD72C0209F5AAD6B7613ADE1F" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_B3D73559AE7490E992CFD6B7613A1D31_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_51136A1BD72C0209F5AAD6B7613ADE1F" xlink:to="loc_us-gaap_ConsolidationItemsDomain_B3D73559AE7490E992CFD6B7613A1D31_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_B3D73559AE7490E992CFD6B7613A1D31" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_51136A1BD72C0209F5AAD6B7613ADE1F" xlink:to="loc_us-gaap_ConsolidationItemsDomain_B3D73559AE7490E992CFD6B7613A1D31" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingSegmentsMember" xlink:label="loc_us-gaap_OperatingSegmentsMember_6480A2072A9A30416B02D6B7613AA626" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_B3D73559AE7490E992CFD6B7613A1D31" xlink:to="loc_us-gaap_OperatingSegmentsMember_6480A2072A9A30416B02D6B7613AA626" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_3124C16E1F909774E416D6B7613ABF1A" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_B3D73559AE7490E992CFD6B7613A1D31" xlink:to="loc_us-gaap_CorporateNonSegmentMember_3124C16E1F909774E416D6B7613ABF1A" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_F7A645AF88A863A6B078D6B7613A4780" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedTable_9682378D10C550D6C2D6D6B7613A3006" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_F7A645AF88A863A6B078D6B7613A4780" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_714D6CF2D4B2172D857FD6B7613A494E_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_F7A645AF88A863A6B078D6B7613A4780" xlink:to="loc_us-gaap_SegmentDomain_714D6CF2D4B2172D857FD6B7613A494E_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentDomain" xlink:label="loc_us-gaap_SegmentDomain_714D6CF2D4B2172D857FD6B7613A494E" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_F7A645AF88A863A6B078D6B7613A4780" xlink:to="loc_us-gaap_SegmentDomain_714D6CF2D4B2172D857FD6B7613A494E" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_MobileProductsMember" xlink:label="loc_rfmd_MobileProductsMember_DEA850D9FE33B9E94F99D6B7613A73F0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_714D6CF2D4B2172D857FD6B7613A494E" xlink:to="loc_rfmd_MobileProductsMember_DEA850D9FE33B9E94F99D6B7613A73F0" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_InfrastructureandDefenseProductsMember" xlink:label="loc_rfmd_InfrastructureandDefenseProductsMember_CFDB2A25C93DCE3944EAD6B7613A3850" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentDomain_714D6CF2D4B2172D857FD6B7613A494E" xlink:to="loc_rfmd_InfrastructureandDefenseProductsMember_CFDB2A25C93DCE3944EAD6B7613A3850" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract" xlink:label="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_BC28B7F78D1B15E44A99D6B7613A508C" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingReconcilingItemForOperatingProfitLossFromSegmentToConsolidatedLineItems_2DCBF6F993371FA95838D6B7613AE4FF" xlink:to="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_BC28B7F78D1B15E44A99D6B7613A508C" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingInformationRevenueAbstract" xlink:label="loc_us-gaap_SegmentReportingInformationRevenueAbstract_78AA60EBB5CE574FEF3CD6B7613A1DE5" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_BC28B7F78D1B15E44A99D6B7613A508C" xlink:to="loc_us-gaap_SegmentReportingInformationRevenueAbstract_78AA60EBB5CE574FEF3CD6B7613A1DE5" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SalesRevenueNet" xlink:label="loc_us-gaap_SalesRevenueNet_16BD50CE0DD9B52758ECD6B7613A1D2D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationRevenueAbstract_78AA60EBB5CE574FEF3CD6B7613A1DE5" xlink:to="loc_us-gaap_SalesRevenueNet_16BD50CE0DD9B52758ECD6B7613A1D2D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract" xlink:label="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_299D11C73AC27112AEAAD6B7613A9A64" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ReconciliationOfOperatingProfitLossFromSegmentsToConsolidatedAbstract_BC28B7F78D1B15E44A99D6B7613A508C" xlink:to="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_299D11C73AC27112AEAAD6B7613A9A64" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_7673FFC7BD0452713BC7D6B7613A90BF" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_299D11C73AC27112AEAAD6B7613A9A64" xlink:to="loc_us-gaap_OperatingIncomeLoss_7673FFC7BD0452713BC7D6B7613A90BF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InterestExpense" xlink:label="loc_us-gaap_InterestExpense_ACE60C9685CDC76A0EE0D6B7613A5C9D" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_299D11C73AC27112AEAAD6B7613A9A64" xlink:to="loc_us-gaap_InterestExpense_ACE60C9685CDC76A0EE0D6B7613A5C9D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_InvestmentIncomeNet" xlink:label="loc_us-gaap_InvestmentIncomeNet_CFEDF93078C610F56E0BD6B7613A58B2" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_299D11C73AC27112AEAAD6B7613A9A64" xlink:to="loc_us-gaap_InvestmentIncomeNet_CFEDF93078C610F56E0BD6B7613A58B2" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_2B0708B9696331B6C262D6B7613A52AF" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_299D11C73AC27112AEAAD6B7613A9A64" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_2B0708B9696331B6C262D6B7613A52AF" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_52DC6544D36D6BD6D3AFD6B7613A7099" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationOperatingIncomeLossAbstract_299D11C73AC27112AEAAD6B7613A9A64" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments_52DC6544D36D6BD6D3AFD6B7613A7099" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/OperatingSegmentInformationDetails1" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_SegmentReportingInformationLineItems" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_BC0C2A9C13C3F4E074F9D6B7613AD75F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5282C7AECCA3922DE3E9D6B7613A2B91" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_BC0C2A9C13C3F4E074F9D6B7613AD75F" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5282C7AECCA3922DE3E9D6B7613A2B91" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsAxis" xlink:label="loc_us-gaap_ConsolidationItemsAxis_20668FD70B7E37D95BE3D6B7613AB7D6" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_5282C7AECCA3922DE3E9D6B7613A2B91" xlink:to="loc_us-gaap_ConsolidationItemsAxis_20668FD70B7E37D95BE3D6B7613AB7D6" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_B7BC2A40ED1DFE0E1614D6B7613A8FB0_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ConsolidationItemsAxis_20668FD70B7E37D95BE3D6B7613AB7D6" xlink:to="loc_us-gaap_ConsolidationItemsDomain_B7BC2A40ED1DFE0E1614D6B7613A8FB0_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ConsolidationItemsDomain" xlink:label="loc_us-gaap_ConsolidationItemsDomain_B7BC2A40ED1DFE0E1614D6B7613A8FB0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ConsolidationItemsAxis_20668FD70B7E37D95BE3D6B7613AB7D6" xlink:to="loc_us-gaap_ConsolidationItemsDomain_B7BC2A40ED1DFE0E1614D6B7613A8FB0" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_CorporateNonSegmentMember" xlink:label="loc_us-gaap_CorporateNonSegmentMember_4647BD2B604C157D8DB9D6B7613AEDC0" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ConsolidationItemsDomain_B7BC2A40ED1DFE0E1614D6B7613A8FB0" xlink:to="loc_us-gaap_CorporateNonSegmentMember_4647BD2B604C157D8DB9D6B7613AEDC0" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_SegmentReportingInformationOtherAbstract" xlink:label="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_BC0C2A9C13C3F4E074F9D6B7613AD75F" xlink:to="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareBasedCompensation" xlink:label="loc_us-gaap_ShareBasedCompensation_A8D33E321F43DD73D4DFD6B7613AC80D" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:to="loc_us-gaap_ShareBasedCompensation_A8D33E321F43DD73D4DFD6B7613AC80D" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_F8E95D9BB452304F2C75D6B7613AC10E" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_F8E95D9BB452304F2C75D6B7613AC10E" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_BusinessCombinationAcquisitionAndIntegrationrelatedcosts" xlink:label="loc_rfmd_BusinessCombinationAcquisitionAndIntegrationrelatedcosts_9A9A766CE783E5B01626D6B7613AE42D" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:to="loc_rfmd_BusinessCombinationAcquisitionAndIntegrationrelatedcosts_9A9A766CE783E5B01626D6B7613AE42D" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_AcquiredInventoryStepUpAndRevaluation" xlink:label="loc_rfmd_AcquiredInventoryStepUpAndRevaluation_30E5966B3A1E016CE172D6B7613A76C6" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:to="loc_rfmd_AcquiredInventoryStepUpAndRevaluation_30E5966B3A1E016CE172D6B7613A76C6" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_Restructuringanddisposalcosts" xlink:label="loc_rfmd_Restructuringanddisposalcosts_D9360E24596FC41867E3D6B7613A3223" xlink:type="locator" />
    <link:definitionArc order="5" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:to="loc_rfmd_Restructuringanddisposalcosts_D9360E24596FC41867E3D6B7613A3223" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_LegalFees" xlink:label="loc_us-gaap_LegalFees_05562A6A8811D26E1993D6B7613A909D" xlink:type="locator" />
    <link:definitionArc order="6" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:to="loc_us-gaap_LegalFees_05562A6A8811D26E1993D6B7613A909D" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_Startupcosts" xlink:label="loc_rfmd_Startupcosts_7E89C1873087197221FDD6B7613A8EE5" xlink:type="locator" />
    <link:definitionArc order="7" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:to="loc_rfmd_Startupcosts_7E89C1873087197221FDD6B7613A8EE5" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_OtherUnallocatedIncomeExpense" xlink:label="loc_rfmd_OtherUnallocatedIncomeExpense_CB47D4DD4F5F8788517ED6B7613AA422" xlink:type="locator" />
    <link:definitionArc order="8" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:to="loc_rfmd_OtherUnallocatedIncomeExpense_CB47D4DD4F5F8788517ED6B7613AA422" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="loc_us-gaap_OperatingIncomeLoss_ABA1F07BB1A9CA3197B1D6B7613A7C0D" xlink:type="locator" />
    <link:definitionArc order="9" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_rfmd_SegmentReportingInformationOtherAbstract_5A2C092BA5DC4D874CCDD6B7613ACB88" xlink:to="loc_us-gaap_OperatingIncomeLoss_ABA1F07BB1A9CA3197B1D6B7613A7C0D" xlink:type="arc" />
  </link:definitionLink>
  <link:definitionLink xlink:role="http://www.rfmd.com/role/OperatingSegmentInformationTables" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/RecentAccountingPronouncements" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/StockRepurchases" xlink:type="extended" />
  <link:definitionLink xlink:role="http://www.rfmd.com/role/StockRepurchasesDetails" xlink:type="extended">
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ClassOfStockLineItems" xlink:label="loc_us-gaap_ClassOfStockLineItems_C1A4A68B16ACB46F0DE3F0C20DDE786F" xlink:type="locator" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ScheduleOfStockByClassTable" xlink:label="loc_us-gaap_ScheduleOfStockByClassTable_9E951D0901A8385588D2F0C20DDE3F69" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_us-gaap_ClassOfStockLineItems_C1A4A68B16ACB46F0DE3F0C20DDE786F" xlink:to="loc_us-gaap_ScheduleOfStockByClassTable_9E951D0901A8385588D2F0C20DDE3F69" xlink:type="arc" xbrldt:closed="true" xbrldt:contextElement="segment" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramAxis" xlink:label="loc_us-gaap_ShareRepurchaseProgramAxis_BCA638217C43BA972A0AF0C20DDED832" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_us-gaap_ScheduleOfStockByClassTable_9E951D0901A8385588D2F0C20DDE3F69" xlink:to="loc_us-gaap_ShareRepurchaseProgramAxis_BCA638217C43BA972A0AF0C20DDED832" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_4CC916074B26D413C908F0C20DDECED1_default" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_BCA638217C43BA972A0AF0C20DDED832" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_4CC916074B26D413C908F0C20DDECED1_default" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_ShareRepurchaseProgramDomain" xlink:label="loc_us-gaap_ShareRepurchaseProgramDomain_4CC916074B26D413C908F0C20DDECED1" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_us-gaap_ShareRepurchaseProgramAxis_BCA638217C43BA972A0AF0C20DDED832" xlink:to="loc_us-gaap_ShareRepurchaseProgramDomain_4CC916074B26D413C908F0C20DDECED1" xlink:type="arc" />
    <link:loc xlink:href="rfmd-20161231.xsd#rfmd_November2016ProgramMember" xlink:label="loc_rfmd_November2016ProgramMember_BE574FBA10AB139CE853F0C20DDEFCB8" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ShareRepurchaseProgramDomain_4CC916074B26D413C908F0C20DDECED1" xlink:to="loc_rfmd_November2016ProgramMember_BE574FBA10AB139CE853F0C20DDEFCB8" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchaseProgramAuthorizedAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_29A22E857AFE4BE7C6FEF0C20DDEE26B" xlink:type="locator" />
    <link:definitionArc order="1" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_C1A4A68B16ACB46F0DE3F0C20DDE786F" xlink:to="loc_us-gaap_StockRepurchaseProgramAuthorizedAmount1_29A22E857AFE4BE7C6FEF0C20DDEE26B" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_270C09DEC1BC9552FFF6F0C20DDE4C37" xlink:type="locator" />
    <link:definitionArc order="2" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_C1A4A68B16ACB46F0DE3F0C20DDE786F" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_270C09DEC1BC9552FFF6F0C20DDE4C37" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodValue" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue_9CDABE3C254D7BAA02A8F0C20DDEBD90" xlink:type="locator" />
    <link:definitionArc order="3" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_C1A4A68B16ACB46F0DE3F0C20DDE786F" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodValue_9CDABE3C254D7BAA02A8F0C20DDEBD90" xlink:type="arc" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2016/elts/us-gaap-2016-01-31.xsd#us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1" xlink:label="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_585BE65D0405D8A159D6F0C20DDED41B" xlink:type="locator" />
    <link:definitionArc order="4" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_us-gaap_ClassOfStockLineItems_C1A4A68B16ACB46F0DE3F0C20DDE786F" xlink:to="loc_us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_585BE65D0405D8A159D6F0C20DDED41B" xlink:type="arc" />
  </link:definitionLink>
</link:linkbase>