标签: emissions

摘要：D类放大器通常是非常有效的，使他们需要较长的电池寿命和低散热的便携式应用的理想人选。然而，电磁干扰（EMI）是一个问题，通常伴随着D类开关拓扑。活跃的排放限制减少辐射，使“滤波器”的操作，使设计人员能够创建小型，高效低EMI的便携式应用。Maxim>DesignSupport>TechnicalDocuments>ApplicationNotes>AudioCircuits>APP5342Keywords:EMI,ClassD,Edgeratecontrol,portableapplication,highefficiency,activeemissionslimiting,electromagneticinterference,RFinterference,AELApr25,2012APPLICATIONNOTE5342ReduceEMIandMaintainHighEfficiencywithClassDAmplifiersinPortableApplicationsBy:TrangNguyen,BusinessManagerApr25,2012Abstract:ClassDamplifiersaretypicallyveryefficient,makingthemidealcandidatesforportableapplicationsthatrequirelongbatterylifeandlowthermaldissipation.However,electromagneticinterference(EMI)isanissuethatcommonlyacco……

摘要：设计一个最佳的电磁兼容性（EMC）米，可以是任何工程师的挑战。EMC和电磁干扰（EMI）测试单和三相电能计量IC涉及到传导和辐射，射频抗扰度，静电放电（ESD），电快速瞬变脉冲群（EFT）测试。本应用笔记介绍Teridian的71M6511/71M6513/71M6515H能源米演示板的EMI/EMC规定的细节。具体来说，文章提出抑制电磁干扰的方法，不影响水表的准确性。71M65XXEnergyMeterICAMaximIntegratedProductsBrandAPPLICATIONNOTEAN_65XX_016JUNE2011EMC/EMIDesignGuidelinesfor71M65XXICsDesigningameterforoptimumelectromagneticcompatibilitycanbeachallengingissueforanydesignengineer.EMC/EMItestingformeteringproductsinvolvethefollowing:ConducedandRadiatedEmissionsRFImmunityElectrostaticDischarge(ESD)ElectricalFasttransient(EFT)Success……

摘要：电磁兼容性（EMC）必须优先从电能表的设计周期的开始。有很多常规EMC/电磁干扰(EMI)测试计量设备，其中包括进行和辐射排放、RF免疫、静电放电(ESD)和电气快速暂态（EFT）的测试。这些测试的结果取决于若干因素，包括PCB设计和固件代码。本应用指南介绍了而不影响的Teridian准确性提高EMC的方法71米6521，住宅电能表SoC.以下这篇文章的建议有助于产生emc/电磁兼容设计最前面。71M652XPowerMeterICAMaximIntegratedProductsBrandAPPLICATIONNOTEAN_652X_041March2009DesignforEMC1INTRODUCTIONDesignforelectromagneticcompatibility(EMC)mustbeatoppriorityfromtheverybeginningofthemeterdesigncycle.RoutineEMC/EMItestsformeteringproductstypicallyinclude:ConductedandRadiatedEmissionstestsRFImmunitytestswithandwithoutloadElectrostaticDischarge(ESD)testsElectricalFast……

Part2–ConductedEmissionsEMCTestingPart2……

Part1–RadiatedemissionsEMCtestingPart1……

MinimizingRFPCBelectromagneticemissionstutorialMinimizingRFPCBelectromagneticemissionsLookingforawaytoreduceunwantedsignalemissionfromtransceivers?OnemethodistouseappropriatePCBlayouttechniques,includingmechanicalshielding.BySeanMercer,Ph.D.,C.EngMostcountriesregulatethepermissiblelevelsofsignalconductionand/orradiationfromRFequipment.Therefore,itisimportanttoconsiderelectromagneticemissionsandsusceptibilityissuesduringtheproductdesigncycle.Thispreventscostlyandpotentiallytime-consumingfixestowardtheendofadevelopmentcycle.Toreducethelikelihoodofundesirableemissionsemanatingfromyourproduct,manydesignstrategies,includingsimplemodeling,canbeused[1,2].Theuseofcomponentshieldingandshieldedprintedcircuitboard(PCB)traces……

IEC61000-3-2(2009)-Electromagneticcompatibility(EMC)-Part3-2-Limits-Limitsforharmoniccurrentemissions(equipmentinputcurrentlessthan16Aperphase)IEC61000-3-2Edition3.22009-04INTERNATIONALSTANDARDNORMEINTERNATIONALEElectromagneticcompatibility(EMC)……