2.4g高增益gillbert混頻器的分析與設(shè)計

1、華中科技大學(xué)碩士學(xué)位論文2.4G高增益Gillbert混頻器的分析與設(shè)計姓名：張程龍申請學(xué)位級別：碩士專業(yè)：微電子學(xué)與固體電子學(xué)指導(dǎo)教師：張科峰20070527IIAbstractAsthescaledecreaseoftheCMOStechonologyithasbeenmemeusedfRFcircuits.theCMOStechonologyhaspartlysubstitutebipolarGalliumArsenidewhic

2、hismeexpensivetraditionallyimplementedfRFapplication.Itmakesthefabricationofsystemonachip(SOC)consistingofradiofrequency(RE)intermediatefrequency(IF)basebfrequencytoberealizable.Mixerisakeycomponentinradiofrequency(RF)sy

3、stemwhichperfmsfrequencytranslationofthecarrierbymultiplicationofRFlocaloscillation(LO).Fthedownconversionmixerahighconversationgainrequireslowergainofthelownoiseamplifier(LNA)itcanreducethenoiseofthefollowingIFcircuitst

4、helinearityofthemixerdeterminesthedynamicrangeofthereceiverthemixerisalsooneofthedominatingsourceofnoise.Soitsperfmancehasdirectlyimpactontheperfmanceofthesystem.Asthemixerisanonlineartytimevariantsystemitsinputisthestro

5、ngLOsingalitsoperatingpointisperiodicallytimevarying.Asaresulttheanalysisofitsoperationisconsiderablymecomplicatedthanthatofthelineartimeinvariantblocks.ThethesismakesaparticularanalysisoftheGillbertmixerontheywhichismos

6、tcommonlyused.ThethesismakesaperticulartheeticalanalysisofGillbertmixerwhichisthemostcommonlyusedespeciallyproposedthemodelsusedftheanalysisoftheconversationnoiselineartymakessomeoptimizeimprovement.Thesubjectofthisthesi

7、sistoprovideausefulmeansftheguidanceofthecircuitsdesign.Firstofallitmakesanintroductionofthefundamentalsprimaryparametersintroducesseveralmixerstructureswhicharecommonlyusedcurrentlymakessimplecomparisionoftheperfmanceap

8、plication.ThenespeciallywemakeaperticularanalysisoftheconversationnoiselineartyoftheGillbertmixerproposedsomeimprovementmeansonthebaseofavailablethey.Itdesigneda2.4GdownconversationGillbertmixeronthebaseoftheeticalanalys