IEC/TR 60444-3-1986 用π型网络零相位技术测量石英晶体元件参数第3部分:利用有并联电容Co补偿的π型网络相位技术测量频率达200MHz的石英晶体元件两端网络参数的基本方法
时间:2024-05-16 17:29:20 来源: 标准资料网 作者：标准资料网 阅读：9244
【英文标准名称】:Measurementofquartzcrystalunitparametersbyzerophasetechniqueina-network;part3:basicmethodforthemeasurementoftwo-terminalparametersofquartzcrystalunitsupto200MHzbyphasetechniqueinaw-networkwithcompensationofthep
【原文标准名称】:用π型网络零相位技术测量石英晶体元件参数第3部分:利用有并联电容Co补偿的π型网络相位技术测量频率达200MHz的石英晶体元件两端网络参数的基本方法
【标准号】:IEC/TR60444-3-1986
【标准状态】:现行
【国别】:国际
【发布日期】:1986
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC49
【标准类型】:()
【标准水平】:()
【中文主题词】:测量技术;电气工程;压电器件;电容测量;参数;补偿;测量;频率;零相位;零位法;并联电容;谐振阻抗;测量精度;共振频率;测量用连接件;相位测量(电);电路网络;晶体(电子);电子工程
【英文主题词】:
【摘要】:Specifiesamethodofmeasurementusinganinductancetocompensatefortheeffectsoftheparallelcapacitanceatthefrequencyofthecrystalunitwithaccuracydependingonthetypeofcrystals.Discussesindetailtwopossiblecircuitsforcompensationoftheparallelcapacitance.Thisreportisbasedonthe-networkdescribedinIEC444-1.
【中国标准分类号】:L21
【国际标准分类号】:31_140
【页数】:21P;A4@
【正文语种】:英语
Product Code:SAE AMS4911
Title:Titanium Alloy, Sheet, Strip, and Plate 6Al - 4V Annealed
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a titanium alloy in the form of sheet, strip, and plate.【英文标准名称】:Cablenetworksfortelevisionsignals,soundsignalsandinteractiveservices—Part2:Electromagneticcompatibilityforequipment
【原文标准名称】:电视信号、声音信号和交互式设备用电缆网络.第2部分:设备用电磁兼容性
【标准号】:BSEN50083-2-2006
【标准状态】:作废
【国别】:英国
【发布日期】:2007-06-29
【实施或试行日期】:2007-06-29
【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】:天线;音频信号;广播;电缆分布点;电缆分布系统;电缆电视;电缆网络;电缆;元件;定义;电气工程;电磁兼容性;电磁特性;电磁辐射;电子设备及元件;EMC;频率范围;干扰抑制;测量;测量设备;测量仪器;测量技术;标准化组件;多媒体;噪声电压;辐射;无线电工程;无线电干扰;声音广播;声传输;规范(验收);电信网;电信;电视;电视广播;电视信号
【英文主题词】:Antennas;Audiosignals;Broadcasting;Cabledistributingpoints;Cabledistributionsystems;Cabletelevision;Cablednetworks;Cables;Components;Definition;Definitions;Electricalengineering;Electromagneticcompatibility;Electromagneticproperties;Electromagneticradiation;Electronicequipmentandcomponents;EMC;Frequencyranges;Interferencerejections;Measurement;Measuringequipment;Measuringinstruments;Measuringtechniques;Modularunits;Multimedia;Noisevoltage;Radiation;Radioengineering;Radiointerferences;Soundbroadcasting;Soundtransmission;Specification(approval);Telecommunicationnetworks;Telecommunications;Television;Televisionbroadcasting;Visionsignals
【摘要】:StandardsofEN50083andEN60728seriesdealwithcablenetworksfortelevisionsignals,soundsignalsandinteractiveservicesincludingequipment,systemsandinstallations?forheadend-reception,processinganddistributionoftelevisionandsoundsignalsandtheirassociateddatasignalsand?forprocessing,interfacingandtransmittingallkindsofsignalsforinteractiveservicesusingallapplicabletransmissionmedia.Allkindsofnetworkslike?CATV-networks?MATV-networksandSMATV-networks?individualreceivingnetworksandallkindsofequipment,systemsandinstallationsinstalledinsuchnetworks,arewithinthisscope.Theextentofthisstandardisationworkisfromtheantennas,specialsignalsourceinputstotheheadendorotherinterfacepointstothenetworkuptotheterminalinput.Thestandardisationofanyuserterminals(i.e.tuners,receivers,decoders,multimediaterminalsetc.)aswellasofanycoaxialandopticalcablesandaccessoriesthereofisexcluded.ThisstandardappliestotheradiationcharacteristicsandimmunitytoelectromagneticdisturbanceofEM-activeequipment(activeandpassiveequipment)forthereception,processinganddistributionoftelevision,soundandinteractivemultimediasignalsasdealtwithinthefollowingpartsofEN50083orEN60728series:-EN60728-3"Activewidebandequipmentforcoaxialcablenetworks"-EN50083-4"Passivewidebandequipmentforcoaxialcablenetworks"-EN50083-5"Headendequipment"-EN60728-6"Opticalequipment"coversthefollowingfrequencyranges:Disturbancevoltageinjectedintothemains9kHzto30MHzRadiationfromactiveequipment5MHzto25GHzImmunityofactiveequipment150kHzto25GHzScreeningeffectivenessofpassiveequipment5MHzto3GHz(25GHz)1)specifiesrequirementsformaximumallowedradiation,minimumimmunityandminimumscreeningeffectiveness;describestestmethodsforconformancetesting.Duetothefactthatcablenetworks,theformercableddistributionsystemsfortelevisionandsoundsignals,aremoreandmoreusedforinteractiveservices,thesenetworksmayincorporatealsoequipmentwhichcarrybesidesthecablenetworkequipmentportsalsooneormoretelecomsignalport(s).Thisequipmentshallbenamedas"multimedianetworkequipment".
【中国标准分类号】:M60
【国际标准分类号】:29_020;33_060_40;33_100_01
【页数】:52P.;A4
【正文语种】:英语