【英文标准名称】:AmericanNationalStandardforMethodsofMeasurementofRadio-NoiseEmissionsfromLow-VoltageElectricalandElectronicEquipmentintheRangeof9kHzto40GHz
【原文标准名称】:从频率范围为9kHz至40GHz的低压电气和电子设备排放的无线电噪声辐射的测量方法用美国国家标准
【标准号】:IEEEC63.4-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009-09-15
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisstandardspecifiesU.S.consensusstandardmethods,instrumentation,andfacilitiesformeasurementofradio-frequency(RF)signalsandnoiseemittedfromelectricalandelectronicdevicesinthefrequencyrange9kHzto40GHz.Itdoesnotincludegenericnorproduct-specificemissionlimits.Wherepossible,thespecificationshereinareharmonizedwithothernationalandinternationalstandardsusedforsimilarpurposes.Usesofthewordshallinthisstandardindicateamandatoryrequirementthatmustbemettosatisfythisstandard.Thewordshouldisusedtoindicatethatarequirementisrecommendedbutnotmandatory.Tolerancesondimensionsanddistancesarebasedongoodengineeringpracticewherenotspecified.Thewordmayisusedtoindicatearecommendationthatisatthediscretionoftheuser.Inaddition,notesinthisdocumentareinformativeandarenotpartoftherequirements.Inthisstandard,thetexttakesprecedenceoverthefiguresbecausethetextiscompleteandthefiguresareillustrativeofatypicalapplicationofthetext.Notesareusedinthetextforemphasisortoofferinformativesuggestionsaboutthetechnicalcontentofthestandard,andthesenotesprovideadditionalinformationtoassistthereaderwithaparticularpassagebutdonotincludemandatoryrequirements.Footnotesintextareincludedonlyforinformation,clarification,and/oraidapplicabletotheuseofthestandard,butmandatoryrequirementsarenotincludedintextfootnotes.Measurementmethodsareincludedforradiatedandline-conductedemissionsthatcanbegeneratedbyavarietyofdevices,asdescribedin1.2.Definitionsareprovidedfortermsandphrasescontainedinthetext,inwhichthewordsdonotrepresentobviousorcommonusage.Measurementinstrumentation,facilities,andtestsitesarespecifiedandcharacterized,includingopen-areatestsites(OATS)andRFabsorber-lined,metalchambersusedforradiatedemissionmeasurement.Transverseelectromagnetic(TEM)wavedevicesusedforradiatedemissionmeasurementaretreatedinnormativeAnnexF.TherequirementsofAnnexF,whensuchtestsareperformed,shalltakeprecedenceinthisstandard.Inmostcases,measurementinstrumentationandcalibrationrequirementsareonlygenerallycharacterizedindeferencetostandardsdedicatedtothesesubjects,whichshouldbeusedinconjunctionwiththisstandard.Therequirementsforoperationoftestsamplesduringmeasurementsarepresentedfordevicesingeneral,aswellasforspecifictypesofdevicesthatarefrequentlymeasured.Specificrequirementsforemissiontestdatarecordingandreportingarepresentedwithreferencetogeneralrequirementscontainedindocumentsdedicatedtostandardlaboratorypractices,whichshouldbeusedinconjunctionwiththisstandard.Themaintextisaugmentedbyaseriesofannexesthatprovidedetailsforcertainmeasurementmethodsandfacilities.AnnexAprovidesanindexofmaintextclausestobeusedwhentestingparticularequipmentundertest(EUT)types.
【中国标准分类号】:A42
【国际标准分类号】:
【页数】:147P.;A4
【正文语种】:英语