基于AD636的真有效值电压-电平表

-66-2002920029AD636/061TRMSVolt/LevelMeterWithAD636BuYunPingZhangXiaohuaWangXiangyangChenTaizhong:AD636AD/,,4/:;;AC/DC;AD636:TM933.22:B:1006-6977(2002)09-0066-031,,,AC/DCV,,AC/DCVRMS,:VRMS=KfVKf,1.111,Kf,,,TRMS,TRMS/DC,,,/,,/A/D,,2AD636AD636(AnalogDevices,AD)TRMS/DC,070,,800A,2/3,1:NC:;COM:;+VS-VS:,3,A/D,A/D,,1.,..,19912...,1985:2002-04-10:020925©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,6.67k;VdB:();RL:10k,COM;LOUT:,RL,IOUT,RL,R2,V0=IOUTR2;CAV:,,;BUFINBUFOUT:,,VIN,IOUT,,108,0.5AD636:,(0.03%RDG+0.5mV);200mV,A/D;,-50dB0dB0dB+50dB,50dBKP=7,-0.63%,;,,108;,5mA(20mV);,,31AD636A:/2VINA1A2I1IN1/I4,R1CAVI3,IOUT(IOUT=2I4)8,2R2=R4,I1=|VIN|/R4,:V0=IOUTR2=2I4R2=2I1RMSR2=VIN(RMS),,TV3©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(VdB)IREF,VT5,IREF=I3,VdB=0dB,VdBVINAD636,,VIN,1%,VIN=1V(RMS),220kHz,VIN=10mV(RMS),14kHz3dB(29.3%),VIN=1V(RMS),2MHz,VIN=10mV(RMS),160kHzAD636A,200mV(RMS),170-0.63%13,5,,AD636,4AD636A/D/,39V,S1,3:IC1AD636;IC2ICL71163A/D,;IC31.2VAD589,200mV2V20V200V,050dBS2,R1R4,200mV,C1R5AD636VD1VD2,C2S3/,V,AD636COMICL7116COMIN-IC31.2VR10R11PR2100.0mV,200.0mVAD6368,R12C5ICL7116,ICL7116LCDS3dB,IN+R12COM,IN-AD6365VdB,,IN-VdBCOMIN-,A/D,VdB0dB(),LCDdBPR10dB,VD3,5TRMS/DC,A/D,,,,:2002-04-02:020926©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.