gaas基pin限幅器设计与分析-design and analysis of gaas - based pin limiter.docx

gaas基pin限幅器设计与分析-design and analysis of gaas - based pin limiter.docx

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gaas基pin限幅器设计与分析-design and analysis of gaas - based pin limiter

AbstractLimitersperforman importantfunction in RFsystemsbyprotectingsensitive componentsfromdamageorburnout.Thispaperfirstlyintroducestheoperating principleofthePINdiodeanddescribesits equivalentcircuits.Secondly,consideredthe requestofPINlimiterstemperaturecontour,thispaperperformsseveralPINlimiter thermalanalyseswhichbasedonthecalculationofthepowerdissipation.Thispaper alsoincludessomeattemptincludingafewnewPINdiodestructuresandaprogramfor improvethewiring.Thepros andcons as oftheimprovementprogramarementionedin thepaper.Finally,inordertoverifythecorrectnessofthetheoreticalanalysisand improvementprogram,fourdesignedPINlimitersweremanufacturedandtested.The testresultshowsthatPINdiodestructuremodificationmakesacertainextent improvementoftheresistanceofthePINlimiterpower.Theactualtestresultsarein good agreementwith thesimulation results.Infraredphotographsalsoverifiedthe accuracyofthermalanalysisinthis paper.Keyword:MMICPINdiode modelPINlimiterANSYSthermalanalysis目录第一章绪论................................................11.1单片微波集成电路的介绍................................11.1.1单片微波集成电路的介绍.............................11.1.2 MMIC的特点11.1.3 MMIC的发展历史和未来趋势21.1.4国内外发展概况.....................................41.2限幅器的介绍..........................................51.2.1限幅器的简介.......................................51.2.2国内外现状.........................................5第四章实际生产测试和误差分析.............................354.1实际生产测试和误差分析...............................354.1.1限幅器测试仪器....................................354.1.2限幅器测试步骤....................................364.2仿真与实物的电特性误差分析...........................364.3仿真与实物的热特性误差分析...........................404.4本章小结.............................................43第五章总结与展望.........................................455.1总结.................................................455.2展望.................................................46致谢......................................................47参考文献..................................................49附录A:ADS中的二极管模型参数以及描述5

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