射频电缆

射频电缆RFCable电缆分配系统用物理发泡聚乙烯绝缘同轴电缆PhysicalFoamPEInsulationCoaxialCableforCableDistributionSystem实芯聚乙烯绝缘射频电缆RFCablewithSolidCoreandPEInsulation电缆分配系统用物理发泡聚乙烯绝缘同轴电缆CoaxialCablewithPhysicallyFoamedPEInsulationforCableDistributionSystem本产品适用于1GHZ以下闭路电视系统、共用天线电视系统作分支线和用户线以及其它电子装置。电缆分配系统用物理发泡聚乙烯绝缘同轴电缆比实芯聚乙烯、化学发泡聚乙烯和纵孔聚乙烯绝缘电视电缆具有更优良的高频性能，它有衰减低、一致性好、不易受潮等突出优点，为此在国际、国内市场已获得广泛使用。ItisusedasbranchcableandusercableforsignaldistributionsystemofclosedcircuitTVandcommonan-tennaTVof1GHZorlower,orforotherelectronicdevic-es.CoaxialcablewithphysicallyfoamedPEinsulationforcabledistributionsystemhasgoodfeaturesofhighfre-quencyperformance,lowattenuation,goodconsistencyandhumidityresistanceetccomparedwithTVcablewithsolidcorePE,chemicallyfoamedPEandcellPEinsula-tion.Now,itiswidelyusedindomesticandinternationalmarket.环境条件：-25℃~+70℃（PVC护套）-40℃~+70℃（PE护套）相对湿度：当温度为40±2℃，为90%~95%。Environmenttemperature:-25℃~+70℃（PVCsheath）-40℃~+70℃（PEsheath）Relativehumidityis90%~95%underthetemperatureof40±2℃.一、常用型号及名称CommonTypeandDescription型号Type名称NameSYWV-75-5SYWV-75-7SYWV-75-9电缆分配系统用物理发泡聚乙烯绝缘聚氯乙烯护套同轴电缆CoaxialcablewithphysicallyfoamedPEinsulation,PVCsheathforcabledistributionsystemSYWY-75-7SYWY-75-9电缆分配系统用物理发泡聚乙烯绝缘聚乙烯护套同轴电缆CoaxialcablewithphysicallyfoamedPEinsulationandsheathforcabledistributionsystem二、电缆的结构尺寸StructureDimensionofCable型号Type内导体mmInnerconductor绝缘外径mmInsulationOD外导体mmOuterconductor护套mmSheath单位重量kg/kmUnitweightSYWV-75-51.0±0.024.8±0.2≤5.8≤7.546SYWV-75-7SYWY-75-71.66±0.027.25±0.25≤8.3≤10.685(PVC)75(PE)SYWV-75-9SYWY-75-92.15±0.039.00±0.25≤10.3≤12.6120(PVC)110(PE)备注：1、内导体为单根圆铜线或铜包铝线；2、绝缘为物理发泡聚乙烯；3、外导体为铝塑复合膜和镀锡圆铜线(或铝合金线)编织双层屏蔽形式；4、护套为聚氯乙烯或聚乙烯。Note:1:InnerconductorconsistsofsingleroundcopperwireORcopper-cladaluminumwire2:InsulationmaterialisphysicallyfoamedPE.3:Outerconductorconsistsofaluminum-plasticcompoundfileandtinnedroundcopperwire(aluminum-alloywire)braiddualshielding.4:SheathmaterialisPVCorPE.60三、电气性能ElectricPerformance试验项目Testingitem试验条件Testingcondition单位Unit技术要求TechnicalrequirementsSYWV-75-5SYWV-75-7SYWY-75-7SYWV-75-9SYWY-75-9绝缘电阻Insulatedresistance500VDc(20℃)MΩ.km≥5000≥5000≥5000护套介电强度Sheathdielectricstrength浸水试验Immersiontestinwater火花试验Sparktest40Hz~60HzkV2.03.03.05.05.08.0特性阻抗Characteristicimpedance200MHzΩ72.0~78.072.5~77.572.5~77.5衰减常数(20℃)Attenuationcoefficient50MHz200MHz550MHz800MHzdB/100m≤4.8≤9.7≤16.8≤20.3≤3.2≤6.4≤10.7≤13.3≤2.4≤5.0≤8.5≤10.4回波损耗Return-lossVHFUHFdBdB≥20.0≥18.0≥20.0≥18.0≥20.0≥18.0屏蔽衰减Shieldingattenuation50MHz200MHz800MHzdBdBdB607070607070607070ANHUITIANKANG(GROUP)SHARESCO.,LTD.61实芯聚乙烯绝缘射频电缆RFCablewithSolidCore&PEInsulation适用于无线电通讯广播设备和有关无线电电子设备中传输射频信号。Itisusedtotransmitradiofrequencysignalforradiocommunicationbroadcastingequipmentsandconcernedelectricdevices.一、生产执行标准GB/T14864-93Executivestandard:GB/T14864-93二、型号编制及字母代号含义TypeCompilingandCodeMeaning射频同轴电缆…………………………………………S铜导体…………………………………………T（可省略）聚乙烯实芯……………………………………………Y聚氯乙烯护套…………………………………………VRFcoaxialcable………………………………………SCopperconductor…………………………T（omitted）PEsolidcore……………………………………………YPVCsheath……………………………………………V型号组成表示方法Type-formingMethodSYV-50-5-1分类代号Categorycode绝缘Insulation护套Sheath结构序号Structuresequencenumber线芯绝缘外径Insulatedouterdiameterofcore特性阻抗Characteristicimpendance三、使用条件WorkingCondition使用温度：-30℃~70℃。相对湿度：当温度为40±2℃时，达98%，安装敷设温度不低于-15℃。允许最小弯曲半径：室内使用时不少于5倍电缆外径，室外使用不小于10倍电缆外径。Workingtemperature:-30℃~70℃Relevanthumidity:98%at40±2℃.Temperatureforinstallationisnolowerthan-15℃.Min.bendingradius:itwillbenolessthan5timesthatofcableouterdiameterforindoorusage,andnolessthan10timesforoutdoorusage.四、型号及名称TypeandDescription型号Type名称DescriptionSYV实芯聚乙烯绝缘、聚氯乙烯护套同轴射频电缆CoaxialRFcablewithsolidcore,PEinsulationandPVCsheath62五、结构尺寸SpecificationandSize型号规格Type内导体mmInnerconductor绝缘外径mmInsulatedouterdiameter外导体直径mmDiameterofouterconductor护套外径mmSheathOD绝缘电阻MΩ.kmInsulatedresistance200MHz下衰减dB/mAttenuationunder200MHz根数/直径*Pieces/diameter*内层Innerlayer外层Outerlayer单线直径DiameterofsinglepieceSYV-50-2-17/0.161.50±0.10软铜线Softcopperwire/0.10±0.012.8±0.2≥5000≤0.45SYV-50-2-77/0.161.50±0.10/0.10±0.012.8±0.2≤0.45SYV-50-2-87/0.161.50±0.10/0.10±0.012.8±0.2≤0.45SYV-50-2-411/0.682.20±0.10/0.14±0.014.0±0.2≤0.31SYV-50-3-17/0.322.95±0.13/0.14±0.015.0±0.2≤0.24SYV-50-3-31/0.902.95±0.13/0.14±0.015.0±0.2≤0.22SYV-50-3-41/0.902.95±0.13/0.14±0.015.0±0.2≤0.22SYV-50-3-51/0.902.95±0.13软铜线Softcopperwire0.14±0.015.8±0.2≤0.22SYV-50-3-411/0.902.95±0.13软铜线Softcopperwire0.14±0.015.8±0.2≤0.22SYV-50-5-11/1.404.80±0.20/0.14±0.017.2±0.3≤0.15SYV-50-5-31/1.404.80±0.20/0.14±0.017.2±0.3≤0.15SYV-50-5-41/1.404.80±0.20软铜线Softcopperwire0.14±0.017.9±0.3≤0.15SYV-50-5-411/1.404.80±0.20软铜线Softcopperwire0.14±0.017.9±0.3≤0.15SYV-50-7-17/0.757.25±0.25/0.19±0.0110.3±0.3≤0.11SYV-50-7-27/0.757.25±0.25/0.19±0.0110.3±0.3≤0.11SYV-50-7-37/0.757.25±0.25软铜线Softcopperwire0.17±0.0111.0±0.3≤0.11SYV-50-7-47/0.757.25±0.15软铜线Softcopperwire/0.19±0.0110.3±0.3≥5000≤0.62**SYV-50-7-67/0.757.25±0.15软铜线Softcopperwire0.17±0.0111.0±0.3≤0.62**SYV-50-7-417/0.757.25±0.25软铜线Softcopperwire0.17±0.0111.0±0.3≤0.11SYV-50-9-417/0.959.0±0.30/0.19±0.0112.2±0.4≤0.095注：SYV-50-的特性阻抗为50±2.5Ω，