【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Part3-30:Examinationsandmeasurements-Polishangleandfibrepositiononsingleferrulemultifibreconnectors
【原文标准名称】:光纤互连器件和无源器件基本试验和测量程序第3-30部分:检查和测量单套管多芯光纤连接器抛光角度和光纤位置
【标准号】:IEC61300-3-30-2003
【标准状态】:作废
【国别】:国际
【发布日期】:2003-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC86B
【标准类型】:()
【标准水平】:()
【中文主题词】:玻璃纤维电缆;光波导;连接工艺;电气工程;测量技术;电缆;试验
【英文主题词】:cables;opticalwaveguides;connectiontechnology;measuringtechniques;electricalengineering;testing;glassfibrecables
【摘要】:本部分规定了评定导销式多芯套管和连接器中端面几何结构的程序。基本特性为：相对于端面的光纤位置(无论凹进或
【中国标准分类号】:L50
【国际标准分类号】:33_180_20
【页数】:11P.;A4
【正文语种】:汉语


【英文标准名称】:Cableddistributionsystemsfortelevisionandsoundsignals-Activewidebandequipmentforcoaxialcablenetworks
【原文标准名称】:电视和声信号用电缆分布系统.有源同轴电缆网络的活动宽带设备
【标准号】:BSEN50083-3-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-07-03
【实施或试行日期】:2002-07-03
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;标准化组件;电视广播;测量技术;规范(验收);计量学;组件;定义;定义;电缆网;全波回路;单路连接器;数据记录;宽带网络;电缆系统;性能;规范;电缆分布系统;电缆电视系统;宽带系统;宽带放大器;声音广播;公共天线电视;同轴电缆;电缆电视;音频信号;放大器
【英文主题词】:Amplifiers;Audiosignals;Broadbandnetwork;Broadbandsystems;Cabledistributionsystems;Cablesystems;Cabletelevision;Cabletelevisionsystem;Cablednetworks;Central-antennatelevision;Coaxialcables;Components;Datarecording;Definition;Definitions;Electricalengineering;Full-wavecircuitry;Measuringtechniques;Metrology;Modularunits;Performance;Single-wayconnections;Soundbroadcasting;Specification;Specification(approval);Televisionbroadcasting;Widebandamplifiers
【摘要】:StandardsofEN50083seriesdealwithcablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesincludingequipment,systemsandinstallationsforheadendreception,processinganddistributionoftelevisionandsoundsignalsandtheirassociateddatasignalsandforprocessing,interfacingandtransmittingallkindsofsignalsforinteractiveservicesusingallapplicabletransmissionmedia.AllkindsofnetworkslikeCATV-networks,MATV-networksandSMATV-networks,Individualreceivingnetworksandallkindsofequipment,systemsandinstallationsinstalledinsuchnetworks,arewithinthisscope.Theextentofthisstandardisationworkisfromtheantennas,specialsignalsourceinputstotheheadendorotherinterfacepointstothenetworkuptothesystemoutletortheterminalinput,wherenosystemoutletexists.Thestandardisationofanyuserterminals(i.e.tuners,receivers,decoders,multimediaterminalsetc.)aswellasofanycoaxialandopticalcablesandaccessoriesthereforisexcluded.Thisstandardappliestoallbroadbandamplifiersusedincablenetworks;coversthefrequencyrange5MHzto3000MHz;appliestoone-wayandtwo-wayequipment;laysdownthebasicmethodsofmeasurementoftheoperationalcharacteristicsoftheactiveequipmentinordertoassesstheperformanceofthisequipment;identifiestheperformancespecificationsthatshallbepublishedbythemanufacturers;statestheminimumperformancerequirementsofcertainparameters.Amplifiersaredividedintothefollowingtwoqualitylevels:Grade1:Amplifierstypicallyintendedtobecascaded.Grade2:Amplifiersforusetypicallywithinanapartmentblock,orwithinasingleresidence,tofeedafewoutlets.Practicalexperiencehasshownthesetypesmeetmostofthetechnicalrequirementsnecessaryforsupplyingaminimumsignalqualitytothesubscribers.Thisclassificationshallnotbeconsideredasarequirementbutastheinformationforusersandmanufacturersontheminimumqualitycriteriaofthematerialrequiredtoinstallnetworksofdifferentsizes.Thesystemoperatorhastoselectappropriatematerialtomeettheminimumsignalqualityatthesubscriber′soutlet,andtooptimisecost/performance,takingintoaccountthesizeofthenetworkandlocalcircumstances.Allrequirementsandpublisheddataareunderstoodasguaranteedvalueswithinthespecifiedfrequencyrangeandinwellmatchedconditions.
【中国标准分类号】:M60
【国际标准分类号】:33_060_40
【页数】:56P.;A4
【正文语种】:英语