【英文标准名称】:Recommendedpracticeformeasurementofspuriousemissionfromland-mobilcommunicationtransmitters
【原文标准名称】:陆地移动通信发射机附加发射的测量规程
【标准号】:IEEE377-1980
【标准状态】:现行
【国别】:美国
【发布日期】:1980
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:电磁试验;电气工程;测量技术;发射机;射频设备;辐射
【英文主题词】:Electricalengineering;Electromagnetictests;Emissions;Measuringtechniques;Radiofrequencyapparatus;Transmitters
【摘要】:
【中国标准分类号】:M04
【国际标准分类号】:33_100_10
【页数】:26P;A4
【正文语种】:英语


【英文标准名称】:Passivecomponentstobeusedinopticalfibrecommunicationsystems-Productspecifications-Type4/8channelCWDMmoduleterminatedonIEC60793-2-50categoryB1.1andB1.3singlemodefibre
【原文标准名称】:光纤通信系统用无源元件.产品规范.终端接在IEC60793-2-50类B1.1和B1.3单模纤维上的类型4/8信道CWDM模数
【标准号】:BSEN50378-3-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-09-28
【实施或试行日期】:2007-09-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:空白格式;通信系统;组件;连接工艺;连接器的连接件;连接器;电插头;电气工程;光纤;作标记;测量;模数;单模纤维;光波导;无源的;工作性能;产品标准;规范(验收);试验;类型
【英文主题词】:Blankforms;Communicationsystems;Components;Connectiontechnology;Connectoredjoints;Connectors;Electricplugs;Electricalengineering;Fibreoptics;Marking;Measurement;Modules;Monomodefibres;Opticalwaveguides;Passive;Performanceinservice;Productstandards;Specification(approval);Testing;Types
【摘要】:ProductdefinitionThisspecificationcontainstheinitial,startoflifedimensional,optical,mechanicalandenvironmentalrequirementsaunconnectorisedorconnectorised4and/or8channelCWDMmodulehastofulfilinordertobecharacterisedasanENstandardproduct.Sincedifferentvariantsarepermitted,product-markingdetailsaregivenin3.4.ThewavelengthgridshallbeaccordingITU-TG694.2(seeAnnexB).InterchangeabilityEnvironmentalperformancerequirementswhichCWDMmoduleterminatedonsinglemodefibreB1.1andB1.3withoutconnectorsshallmeetinordertobecategorisedasanENstandardproduct.Themoduleistobeplacedinanenclosuretoprotectitfromaccidentalpullingforces.Allproductsconformingtotherequirementsofthisspecificationwhichmeetthetransmissionanddimensionalrequirementswillbeinterchangeable.Thiswillbeensuredindependentlyofthemanufacturingsource(s)ofthemodules.OperatingenvironmentThetestsselectedcombinedwiththeseveritiesandduration'sarerepresentativeofuncontrolledenvironmenttypically,butnotlimitedto,thatdefinedasCategoryUinEN61753-1.ReliabilityWhilsttheanticipatedservicelifeexpectancyoftheproductinthisenvironmentis20years,compliancewiththisspecificationdoesnotguaranteethereliabilityoftheproduct.Thisshouldbepredictedusingarecognisedreliabilityassessmentprogram.QualityassuranceCompliancewiththisspecificationdoesnotguaranteethemanufacturingconsistencyoftheproduct.Thisshouldbemaintainedusingarecognisedqualityassuranceprogram.
【中国标准分类号】:M33;L23
【国际标准分类号】:33_180_20
【页数】:26P.;A4
【正文语种】:英语