一种新型差分激励微带集成滤波天线.doc

一种新型差分激励微带集成滤波天线//.-1-中国科技论文在线ANovelDifferentiallyFedMicrostripIntegrated-Antenna-Filter#CHENXing,LIBin**5(SchoolofInformationandElectronics,BeijingInstituteofTechnology,Beijing100081)Foundations:DoctoralProgramFoundationofInstitutionsofHigherEducationofChina();NationalNaturalScienceFoundationofChina()Briefauthorintroduction:CHENXing,Male,MasterCandidate,MainresearchincludesAntennaIntegrationandPackagingCorrespondanceauthor:LIBin,Male,AssociateProfessor,Mainresearchincludesdielectricresonatorantenna,Abstract:Anovelsix-portdifferentiallyfedmicrostripintegrated-antenna--shapedpatchantennaisexcitedat5GHzandtheopen--on-packagedevicesandmeetthedemandofdifferentialoperationinRFICs,:integratedantennafilter(IAF),mon-modesuppression,mutualcoupling,patchantenna150IntroductionThecolossalgrowthofthesemiconductorindustryhasmadeon--ponentsformillimeterwaveapplications[1],,itisstillabigchallengetomakethemelectronicallysmallwithdesirableresponses,,theinherentadvantagesoflowcost,smallsize,easemanufactureandhighperformancehavemademicrostripantennaandfilterdesirablechoiceforoff--antenna-filter(IAF)[2]-[3]pactsystem-on-package(SOP)design,aslongasthemutualcouplingbetweentheantenna25andfilterislowenough(<-20dB).Inthispaper,ourdesignhasmadethemutualcouplingevenlower(<-30dB),-endedsignalingisitshigherto“environmental”,plicatedbyleavingoutthebalunmoduleusedtoconnectdifferentialcircuitsand30single-endedantennaintheRFsystem,which