【英文标准名称】:Opticalfibres-Part1-47:Measurementmethodsandtestprocedures-Macrobendingloss
【原文标准名称】:光纤.第1-47部分:测量方法和试验规程.宏弯曲损耗
【标准号】:IEC60793-1-47-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-09
【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/SC86A
【标准类型】:()
【标准水平】:()
【中文主题词】:衰减因子;尺寸;电气工程;纤维光学;挠性;损耗;测量;测量技术;光波导;特性;灵敏度;试验
【英文主题词】:Dimensions;Electricalengineering;Fibreoptics;Flexibility;Losses;Macrobending;Macroscopic;Measurement;Measuringtechniques;Monomodefibres;Multimodefibres;Opticalwaveguides;Properties;Sensitivity;Specification(approval);Testing
【摘要】:ThispartofIEC60793establishesuniformrequirementsformeasuringthemacrobendinglossofsingle-modefibres(categoryB)at1550nmor1625nm,categoryA1multimodefibresat850nmor1300nm,andcategoryA3andA4multimodefibresat650nm,850nmor1300nm,therebyassistingintheinspectionoffibresandcablesforcommercialpurposes.Thestandardgivestwomethodsformeasuringmacrobendingsensitivity:MethodAMandrelwinding,pertainstocategoryBsingle-modefibresandcategoryA1multimodefibres.MethodBQuartercirclebends,pertainstocategoryA3andA4multimodefibres.Forbothofthesemethods,theopticalpowerismeasuredusingeitherthepowermonitoringorthecut-backtechnique.MethodsAandBareexpectedtoproducedifferentresultsiftheyareappliedtothesamefibre.Thisisbecausethekeydifferencebetweenthetwomethodsisthedeployment,includingthebendradiusandamountoffibrethatisbent.ThereasonforthedifferenceisthatA3andA4multimodefibresareexpectedtobedeployedinshortlengthswithrelativelyfewerbendscomparedtosingle-modeandcategoryA1multimodefibres.
【中国标准分类号】:M33
【国际标准分类号】:33_180_10
【页数】:21P;A4
【正文语种】:英语


【英文标准名称】:Radio-frequencyconnectors;part24:radio-frequencycoaxialconnectorswithscrewcoupling,typicallyforusein75ohmcabledistributionsystems(typeF)
【原文标准名称】:射频连接器第24部分:典型用于75Ω电缆分配系统、螺纹连接射频同轴连接器(F型)
【标准号】:IEC60169-24-1991
【标准状态】:现行
【国别】:国际
【发布日期】:1991-11
【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/SC46D
【标准类型】:()
【标准水平】:()
【中文主题词】:插头;电气工程;同轴电缆;高频;直径;轴衬(机械元件);射频插头;螺钉连接
【英文主题词】:Bushes(mechanicalcomponents);Cabledistributionsystems;Coaxialcables;Coaxialconnectors;Diameter;Electricplugs;Electricalengineering;Highfrequencies;Plugs;Radio-frequencyplugs;Screwedjoints;Threadedcableconnection
【摘要】:Specifiesinterfacedimensionsonly.Tabulatesreferencedimensionsatoh,giveninmillimetresandinches.
【中国标准分类号】:L23
【国际标准分类号】:33_120_30
【页数】:11P.;A4
【正文语种】:英语