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低电压CMOS模拟集成运算放大器输入级的研究第27卷第4期2004年12月电子器件ChineseJournalofElectronDevicesVol.27No.4Dec.2004TheResearchofInputStageofLowVoltageCMOSAnalogIntegratedCircuitAmplifierYUXue2gang,CHENGMeng2zhang(HuaianCollegeofInformationTechnology,Huaian223001,China)Abstract:TheproblemsofinputstageoflowvoltageCMOSanalogintegratedcircuitamplifierareThreesolvingmethodswhichincludesRail2to2Raildifferentialinputstage,stabletransconductancedifferentialinputstage(AssumeKN=KP)andstabletransconductancedifferentialintroduced.inputstage(AssumeKN≠KP)arediscussed.ThemorerespectingproblemsofinputstageoflowvoltageCMOSana……