EPOT基于偏置电阻网络戴维南的等效电路

摘要：本应用笔记介绍了如何找到基于一个电子控制的电位器（EPOT）为偏置电阻网络的戴维南等效电路。

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