寬帶功放課程設計[1]

1、通信通信電子線路課程設計說設計說明書題目系、部：電氣與信息工程系學生姓名：楊添柱指導教師：賈雅瓊職稱講師專業(yè)：電子信息工程班級：電子0902完成時間：201112052ABSTRACTBroadbpoweramplifierapplicationstartfrommilitarytocivilianexpansioncurrentlyinwirelesscommunicationmobilephonesatellitecommunica

2、tionwkaglobalpositioningsystem(GPS)directbroadcastsatellitereceiver(DBS)ITScommunicationtechnologymillimeterwaveautomaticcollisionavoidancesystemotherfieldshavebroadapplicationprospectsinanopticaltransmissionsystembroadb

3、powertheamplifieralsooccupiesanimptantposition.InwirelesscommunicationselectronicwarfareelectromagiccompatibilitytestscientificresearchotherfieldsfRFmicrowavebroadbamplifierwithgreatdemtheseareasonabroadbamplifierrequire

4、mentsvaryespeciallyinthecommunicationsystemtheelectronicwarfaresystemapplicationthebroadblownoiseamplifierpoweramplifierperfmancewithspecialrequirements.Inthedesignofthetraditionalnarrowbamplifierptmatcharegenerallyinacc

5、dancewithlownoisematchedtodesignindertoobtainthelownoiseamplifieramaximumoutputpower.Howeverinthebroadbconditionsinputoutputimpedancevariationisrelativelylargethistimeusingtheconjugatematchingconceptisnotsuitable.Because

6、ofthisthebroadbmatchingamplifiercircuitdesignmethodsarealsodifferentnarrowbamplifierwidebamplifiercircuitstructurecanbedividedintothefollowingkinds:Balancedamplifierfeedbackamplifierdistributedamplifierlossymatchingampli

7、fieractivematchingamplifierDarlingtonstructure.Variousstructureshavetheirownacteristicsapplicableconditionthedesignshouldbebasedonspecificamplifierperfmancerequirementsfrationalchoice.Keywdsbroadb；poweramplifier；impedanc