l波段固态发射机中1.5kw功放组件的研制

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1、ABSTRACTABSTRACTDuetothedevelopmentofsemiconductortechnology,itispossibleformodernradartousesolid．statetransmitterinsomefrequency．Solid—statepoweramplifier(SSPA)playanimportantroleinsolid-statetransmitter,itisalsothecoreunitofsolid．statetransmitter．Inthisdissertationweintroducethedesi

2、gningofaL-band1．5kWsolid—statepoweramplifierwhichusedinanconvergencesolid—stateradartransmitter．nedissertationintroducesthedevelopmentofL-bandsolid·statetransmitterandpoweramplifierondomesticandabroadandbrieflyintroducethepurposeandthemainworkofthisthesis；thedissertationalsointroduces

3、somedesignparametersforSSPAandsomebasicprinciplesusedforSSPA，includingtheinput—andoutput-matchingnetworksdesign，thecombiner／dividerdesignandtheeffectofamplitudeandphasedeviationamongtheseSSPAmodulestocombiningefficiency．WemostlyintroducesthedesigningofL-band1．5kWSSPAmodule．Thetestmeth

4、odsandresultsofthemoduleWasintroducedandthetestresultsWasanalysedandcompared．neapplicationsofL—bandmid—powersolid—statetransmitterhavebeenacceleratingduetotheadvancesofthesolid．statedevices．SSPAmoduleinengineeringapplicationshasfollowingfeaturesanddemands：highreliability、wideadaptabil

5、ityandwellEMCcharacteristic．Tosolvetheseproblems，lotsofanalysisanddemonstrationhasbeendone．Forexample，equalizer’Susingimprovesthereliabilityofthecascadedpoweramplifiersandreformsthemoduleoutputpower’Sdeviation；modularizationdesignimprovesmanufactureandinterchange；suitabilitypowercombi

6、ningimprovespowercombiningefficiencyandreduceheatdesigning；reasonablelayoutandpositionimprovethemodule’SEMCandanti-jamming；themodule’SBITEmakeforfaultjudgementandsystemmaintenance．TheL-band1．5kWsolid．statepoweramplifiermodulehavebeenmanufacturedandappliednationalaerialdefenceradarsucc

7、essfully．ByOVer800hourssteadyworkingithavebeenprovedthattheSSPAmoduleandthesolid—statetransmitterarestabilizationandrelia：ble．nABSTRACTKeywords：L-band，poweramplifiermodule，transistor,solid—statetransmitterIII独创性声明本人声明所呈交的学位论文是本人在导师指导下进行的研究工作及取得的研究成果。据我所知，除了文中特别加以标注和致谢的地方外，论文中不包含其他人已经发

8、表或撰写过