标签: transformers

InductorsAndTransformersForPowerElectronics

DigitalAudioTransformersforCirrusLogic

摘要：一对MOSFET的驱动IC和铁氧体磁珠变压器非正统的应用程序产生一个单声道，数字信号耦合隔离。Maxim>AppNotes>COMMUNICATIONSCIRCUITSHOT-SWAPANDPOWERSWITCHINGCIRCUITSKeywords:magneticcoupling,digitalisolation,digitalsignalcouplers,MOSFETdrivers,ferrite-beadJun20,2005transformersAPPLICATIONNOTE3533IsolatedDigital-SignalCouplerTransfers30nstoDCAbstract:AnunorthodoxapplicationofapairofMOSFET-driverICsandaferrite-beadtransformeryieldsasingle-channel,isolateddigital-signalcoupler.Optocouplersaretheusualchoiceforcouplingdigitalsignalsbetweenisolatedcircuitswithdifferentgroundlevels.Optocouplershavedisadvantages,however.Theirmostimportantparameters,currenttransferandpropagationtime,changewithaging.Theyhavearelativelyhighstaticpowerconsumptionand,formosttypes,limitedspeed.……

摘要：二次过电压保护或高回报的损失配置E1线路接口时，DS2153或DS2154单芯片收发器（SCT）和变压器之间可以选择不同的电阻值。Maxim>AppNotes>COMMUNICATIONSCIRCUITSTELECOMKeywords:singlechiptransceiver,E1line,resistors,transformersinglechiptransceivers,SCTs,transformersMay08,2001APPLICATIONNOTE322DS2153,DS2154Selectable120and75E1InterfaceAbstract:DifferentvaluesofresistorcanbeselectedbetweenDS2153orDS2154singlechiptransceiver(SCT)andthetransformerwheninterfacingtotheE1linewithsecondaryovervoltageprotectionorinahighreturnlossconfiguration.WheninterfacingtotheE1linewithSecondaryOverVoltageprotectionorinahighreturnlossconfiguration,resistorsareaddedbetweentheDS2153outputsandthetransformer.Normallytheresistorsareofdifferentvaluesdependingonwhethertheinterfaceisdrivinga75coaxor120twiste……

摘要：传统上，ANSI和IEC标准的要求，电表的磁场水平相对良性运作。在某些市场上，由于强大的稀土磁铁DC米篡改，可以使用的情况下更严格的要求不断涌现。本应用笔记介绍的方法来管理或抑制来自外部磁场对变压器用于Teridian公司/马克西姆71M6541-71M6545家庭的用电计量IC领域的影响。71M654xAMaximIntegratedProductsBrandAPPLICATIONNOTEAN_654x_021AUGUST2011MagneticShieldingforPulseTransformersIntroductionThe71M654xfamilyofelectricitymeteringICsaredesignedtobeusedwithCTsorwithshuntresistorsthatareconnectedto71M6xxxRemoteSensorInterfaces.These71M6xxxRemoteSensorInterfacesarenormallycon-nectedtothe71M654xICsviasmalllow-costpulsetransformers.Pulsetransformers,justlikeCTs,canbeinfluencedbyexternalmagneticfields.Traditio……

摘要：VITROPERM的®耐直流电流互感器（CT），从Vacuumschmelze有限公司（VAC）的，在电能表通过应用先进的校准和温度补偿方法。本应用笔记介绍了如何融入VITROPERM互感器多相电表与Teridian公司的71M6523，单相电能表IC。本文还讨论了采取措施，进一步提高了载重线。在这份文件中显示的方法是很容易转移到高电流的VITROPERMCT和其他Teridian公司的电能计量IC。71M65XXAMaximIntegratedProductsBrandAPPLICATIONNOTEAN_65XX_052FEBRUARY201171M65XXwithVITROPERMCTsIntroductionAffordablecurrenttransformersthatcompeteinpricewithhallsensorsorevenshuntresistorshavebeendevel-opedbyVacuumschmelzeGmbH,Germany(VAC,www.vacuumschmelze.com).ThelatestdevelopmentbyVACistheVITROPERMseriesofDC-tolerantCTscapableofmeasuring60A(P/NT60404-E4624-X131)or100A(P/NT60404-E4626-X13……

RFBalunTransformersApplicationNoteRFBalunTransformersM565V2.00IntroductionThisapplicationnoteisdesignedtohelpthereaderunderstandhowbaluntransformerscanbeusedintoday’sRF/Microwavecommunicationapplications.Thereisanincreasingdemandforbaluntransformersintoday’stelecommunicationmarketandM/A-COMisleadingtheeldwiththisdevice.Asmanyassixofthisdevicecanbeusedaroundanyparticularchipasillustratedingure4.M/A-COM’sbaluntransformercanbeclassiedintotwogroupsA)TheuxcoupledbaluntransformerandB)Thetransmissionlinebaluntransformer.Figure3.1:1TransmissionLineBalunTransformerDenitionofTermsInsertionLoss(dB):Lossduetotransmissionfromprimarydotporttosecondarydotportandsecondaryport.Mostbaluntransformersare……