标签: auto-zero

诊断，诊断产品，输出漂移支票，自动调零能力，等等，你不改变测试的产品是基于MAX1452和MAX1455系列高性能信号调理产品的成本效益的过程系统或校准过程中加入大量的时间。Maxim>Designsupport>Appnotes>Automotive>APP759Maxim>Designsupport>Appnotes>Sensors>APP759Keywords:selfdiagnostics,systemdiagnostics,auto-zero,outputdrift,highperformancesignalconditioner,lowcostsignalconditioner,MAX1452,MAX1455,signalconditionersconditioningJun18,2001APPLICATIONNOTE759AddingDiagnosticCapabilitytoMAX14XXLowCostHighPerformanceSignal-ConditioningDevicesBy:YoussofFathiAbstract:Acost-effectiveprocedureforaddingsystemdiagnostic,productdiagnostic,outputdriftcheck,auto-zeroingcapability,etc.,toyourproductswhicharebasedontheMAX1452andMAX1455familyofhigh-performance……

Auto-Zero运放原理DemystifyingAuto-ZeroAmplifiers―Part1Theyessentiallyeliminateoffset,drift,and1/fnoise.Howdotheywork?Isthereadownside?byEricNolanINTRODUCTIONAuto-ZeroAmplifierPrincipleAuto-zeroamplifierstypicallyoperateintwophasesperclockcycle,illustratedinFigures1aand1b.Thesimplifiedcircuitshowsanullingamplifier(AA),amain(wide-band)amplifier(AB),storagecapacitors(CM1andCM2),andswitchesfortheinputsandstoragecapacitors.Thecombinedamplifierisshowninatypicalop-ampgainconfiguration.InPhaseA,theauto-zerophase(Figure1a),theinputsignalisappliedtothemainamplifier(AB)alone;themainamplifier’snullinginputissuppliedbythevoltagestoredoncapacitorCM2;andthenullingamplifier(AA)auto-zerositself,applying……