戴维南等效电路寻找基于 EPOT 的偏置电阻网络

摘要：本应用程序说明解释如何为基于电控电位器（EPOT）偏置的电阻网络找到的戴维南等效电路。

Maxim>AppNotes>DigitalPotentiometersGeneralEngineeringTopicsKeywords:EPOT,TheveninequivalentSep17,2001APPLICATIONNOTE804FindingtheTheveninEquivalentCircuitfortheEPOT-BasedOffsetResistorNetworkAbstract:ThisapplicationnoteexplainshowtofindtheTheveninequivalentcircuitforanoffsetresistornetworkbasedonanelectronicallycontrolledpotentiometer(EPOT).AdditionalInformation:EPOTApplications:OffsetAdjustmentinOp-AmpCircuitsTomodelthenetworkshownbelowinFigure1astheTheveninequivalentshownbelowinFigure2,findtheTheveninVoltage(Vth)andtheTheveninResistance(Rth).Inthiscase,VthisthesameasVos