标签: faraday's

摘要：通过解释法拉第定律启动此应用程序说明。注释然后显示如何电压表和连接导线作为一个位置传感器。一轨到轨I/O比较器和几个简单组件构成比较直流电压正弦波振幅的振幅探测器。MAX985轨到轨I/O运算放大器的特点是在设计中。Maxim>AppNotes>GeneralengineeringtopicsMeasurementcircuitsMiscellaneouscircuitsKeywords:Faraday'sLaw,voltmeter,positionsensor,amplitudedetector,sinewaveamplitudeSep22,2003APPLICATIONNOTE2238PositionsensorexploitsFaraday'sLawAbstract:ThisapplicationnotestartsbyexplainingFaraday'sLaw.Thenotethenshowshowavoltmeterandconnectingwiresserveasapositionalsensor.Arail-to-railI/OcomparatorandafewsimplecomponentsformanamplitudedetectorthatcomparesthesinewaveamplitudewithaDCvoltage.TheMAX985rail-to-railI/Oopampisfeaturedinthedesign.ConsidertworesistorsR1(1kΩ)andR2(3kΩ),connectedinparallelasshowninFigure1.Atime-varyingmagneticfieldH,increasinglinearlywithtime,……