第32卷第3期2009年6月电子器件ChineseJournalOfElectronDevicesVol.32No.3Jun.2009NewCalculationModelofCMRRBasedonInstrumentationAmplifier3WUTiefeng1,2,ZHANGHeming13,HUHuiyong,WANGBin111.KeyLabofWideBand2GapSemiconductorMaterialsandDevices,SchoolofMicro2ElectronicsXidianUniversityXi’an710071,China;2.SchoolofInformationElectronicTechnology激amusiUniversity,激amusiHeilongjiang154007,ChinaAbstract:Thi...