标签: blv904
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采用BLV904晶体管、适用于935MHz至960MHz的5WAB级放大器APPLICATIONNOTE5WClass-ABAmplifierwiththeBLV904for935960MHzAN98019PhilipsSemiconductors5WClass-ABAmplierwiththeBLV904for935960MHzINTRODUCTIONApplicationNoteAN98019Thisapplicationnotecontainsinformationona5Wclass-ABamplifierbasedontheSMDtransistorBLV904.TheamplifierdescribedcanbeusedfordriverstagesincellularradiobasestationsintheGSMband935960MHz.Thenextchapterscontaininformationonthetransistor,theamplifierconstructionandthetypicalRFperformanceobtained.TRANSISTORBACKGROUNDTheBLV904isanNPNbipolarRFpowertransistorinan8-leadSMDpackagecalledSOT409.ThepackagecontainsanAluminiumNitride(AIN)substratetoenhanceitsthermalperformance.Thebottomsurfaceisfullymetallizedtoena……
