【英文标准名称】:SurgeProtectorsUsedinLowVoltageDataCommunicationsandSignalingCircuits,StandardTestMethods
【原文标准名称】:低压数据通信和信令电路用电涌保护器.标准试验方法
【标准号】:ANSI/IEEEC62.36-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:脉冲电压;电压保护;通信系统;数据系统
【英文主题词】:Communicationsystems;Datasystems;Definition;Definitions;Electricalengineering;Impulsevoltages;Overvoltageprotection;Surgeprotection;Testing;Voltage;Voltagelimitation;Voltageprotection
【摘要】:Methodsfortestingandmeasuringthecharacteristicsofsurgeprotectorsusedinlow-voltagedata,communications,andsignalingcircuitswithvoltageslessthanorequalto1000Vrmsor1200Vdcareestablished.
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:
【正文语种】:英语
【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesPart7:Systemperformance
【原文标准名称】:电视信号、声音信号和交互设备用电缆网络.第7部分:系统性能
【标准号】:BSEN50083-7-1996+A1-2000
【标准状态】:现行
【国别】:英国
【发布日期】:1997-04-15
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:StandardsofEN50083seriesdealwithcablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesincludingequipment,systemsandinstallations:?forheadendreception,processinganddistributionoftelevisionandsoundsignalsandtheirassociateddatasignals;and?forprocessing,interfacingandtransmittingallkindsofsignalsforinteractiveservicesusingallapplicabletransmissionmedia.Allkindsofnetworkslike:?CATV-networks;?MATV-networksandSMATV-networks;?Individualreceivingnetworks;andallkindsofequipment,systemsandinstallationsinstalledinsuchnetworks,arewithinthisscope.Theextentofthisstandardizationworkisfromtheantennas,specialsignalsourceinputstotheheadendorotherinterfacepointstothenetworkuptothesystemoutletortheterminalinput,wherenosystemoutletexists.Thestandardizationofanyuserterminals(i.e.tuners,receivers,decoders,multimediaterminalsetc.)aswellasofanycoaxialandopticalcablesandaccessoriesthereforeisexcluded.1.2SpecificscopeofthisPart7Thisstandardisapplicabletoanycablenetworkhavingacoaxialcableoutputandprimarilyintendedfortelevisionandsoundsignalsoperatingbetweenabout30MHzand2150MHz.Thisstandardlaysdownthebasicmethodsofmeasurementoftheoperationalcharacteristicsofcablenetworkshavingcoaxialcableoutputsinordertoassesstheperformanceofthosenetworksandtheirperformancelimits.Allrequirementsrefertotheperformancelimitswhichshallbeobtainedbetweentheinput(s)totheheadendorheadendsandanysystemoutletwhenterminatedinaresistanceequaltothenominalloadimpedanceofthesystem,unlessotherwisespecified.Wheresystemoutletsarenotused,theaboveappliesatthesubscriber’sendofthesubscriber’sfeeder.NOTE1Methodsofmeasurementdescribedinthisstandardareconsideredasbasic.However,anyequivalentmethodthatensuresatleastthesameaccuracymaybeused.NOTE2Ifthesystemoperatorwishestosubdividethesystemintoanumberofparts,theaccumulationofdegradationsshouldnotexceedthefiguresgivenbelow.NOTE3Anextensionofthefrequencyrangetothatfrom5MHzto3000MHzwillbeconsideredforfuturework.NOTE4SystemperformancerequirementsofreturnpathsaswellasspecialmethodsofmeasurementfortheuseofthereturnpathsincablenetworksaredescribedinEN50083-10.
【中国标准分类号】:M10
【国际标准分类号】:33_060_40
【页数】:64P.;A4
【正文语种】:英语
基本信息
标准名称: | 直升机发动机机舱灭火系统通用要求 |
中标分类: |
航空、航天 >>
航空器及其附件 >>
生命保障系统与设备 |
ICS分类: |
航空器和航天器工程 >>
机上设备和仪器
|
发布日期: | |
实施日期: | |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 8 |
适用范围
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前言
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目录
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引用标准
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所属分类: 航空 航天 航空器及其附件 生命保障系统与设备 航空器和航天器工程 机上设备和仪器