1、西安電子科技大學碩士學位論文基于0.5μmCMOS工藝低壓多級放大器設計姓名：李剛申請學位級別：碩士專業(yè)：微電子學與固體電子學指導教師：楊銀堂20080101AbstractAbstractTheadvancementinintegratedcircmt(IC)technologyhasresultedinscalingdownofdevicesizesandsupplyvoltageswithoutproportionallyscal

2、ingdownthethresholdvoltageoftheMOStransistorAssociatedwiththetransitiontolowvoltagecircuitdesignisademandforfrequencycompensationtechniquesthatarededicatedtothenewcontext：compensationstrategieswhichdecreasethepowerconsum

3、ption，butaboveallwhicharecapableofhandlingthespecificdemandsofthelowvoltageandlowpoweramplifiertopologiesTheoperationaltransconductanceamplifier(OTA)isabasicbuildingblockinmostanalogandmixed—signalelectronicsystemsInthis

4、paperwewilldesignahighgain、widebandwidthmultistageamplifierdrivinglargecapacitiveloadwhichserves舔erroramplifierinlow—voltageandlowpowerconditionBasedonthebasictheoryofoperationalamplifierthispaperfirstintroducesthegenera

5、lpartsoftheamplifierandmanykindsoffrequencycompensationtechnologyAndthisgivesnecessarybasictheoryforthisworkThenweexplainthewholedesignprocedure，introducingphasemarginasmaindesignparameterThreestageamplifierisimplemented

6、byastandard05一心[1lCMOSprocessandsimulatedwithHspiceWhendrivinga500pFcapacitiveload，theamplifierachieves110_dBdcgain，1MHzGBW60。phasemargin，and11V／usaverageslewrate，whileonlydissipatingO18roWpowerat15VsupplyAllthesimulatio