电缆分配系统用物理发泡聚乙烯绝缘同轴电缆 Physical Foam PE Insulation Coaxial Cable for Cable Distribution System 实芯聚乙烯绝缘射频电缆 RF Cable with Solid Core and PE Insulation射频电缆. 安徽特种电缆厂专业生产电缆分配系统用物理发泡聚乙烯绝缘同轴电缆 Coaxial Cable with Physically Foamed PE Insulation for Cable Distribution System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。It is used as branch cable and user cable for signal distribution system of closed circuit TV and common an- tenna TV of 1GHZ or lower, or for other electronic devic- es. Coaxial cable with physically foamed PE insulation for cable distribution system has good features of high fre- quency performance, low attenuation, good consistency and humidity resistance etc compared with TV cable with solid core PE, chemically foamed PE and cell PE insula- tion. Now, it is widely used in domestic and international market.环境条件： -25+70 （PVC护套）-40+70 （PE护套）相对湿度： 当温度为402， 为90%95%。Environment temperature: -25+70 （PVC sheath）-40+70 （PE sheath）Relative humidity is 90%95% under the temperature of 402.一、 常用型号及名称 Common Type and Description型号Type名称Name SYWV-75-5 SYWV-75-7 SYWV-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 Coaxial cable with physically foamed PE insulation, PVC sheath for cable distribution systemSYWY-75-7 SYWY-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 Coaxial cable with physically foamed PE insulation and sheath for cable distribution system二、 电缆的结构尺寸 Structure Dimension of Cable型号 Type内导体mm Inner conductor绝缘外径mm Insulation OD外导体mm Outer conductor护套mm Sheath单位重量kg/km Unit weightSYWV-75-51.00.024.80.25.87.546SYWV-75-7 SYWY-75-71.660.027.250.258.310.685 (PVC) 75 (PE) SYWV-75-9 SYWY-75-92.150.039.000.2510.312.6120 (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: Inner conductor consists of single round copper wire OR copper-clad aluminum wire 2: Insulation material is physically foamed PE.3: Outer conductor consists of aluminum-plastic compound file and tinned round copper wire(aluminum-alloy wire) braid dual shielding. 4: Sheath material is PVC or PE.60三、 电气性能 Electric Performance试验项目 Testing item试验条件 Testing condition单位 Unit技术要求Technical requirementsSYWV-75-5SYWV-75-7 SYWY-75-7SYWV-75-9 SYWY-75-9绝缘电阻Insulated resistance500V Dc(20)M.km500050005000护套介电强度Sheath dielectric strength 浸水试验 Immersion test in water 火花试验 Spark test40Hz60HzkV2.0 3.03.0 5.05.0 8.0特性阻抗 Characteristic impedance200MHz72.078.072.577.572.577.5衰减常数 (20)Attenuation coefficient50MHz 200MHz 550MHz 800MHzdB/100m4.8 9.7 16.8 20.33.2 6.4 10.7 13.32.4 5.0 8.5 10.4 回波损耗 Return-loss VHF UHFdB dB20.0 18.020.0 18.020.0 18.0屏蔽衰减 Shielding attenuation50MHz 200MHz 800MHzdB dB dB60 70 7060 70 7060 70 7061实芯聚乙烯绝缘射频电缆 RF Cable with Solid Core & PE Insulation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。It is used to transmit radio frequency signal for radio communication broadcasting equipments and concerned electric devices.一、 生产执行标准 GB/T14864-93Executive standard: GB/T14864-93二、 型号编制及字母代号含义Type Compiling and Code Meaning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VRF coaxial cableS Copper conductor T （omitted） PE solid coreY PVC sheath V型号组成表示方法 Type-forming MethodS Y V -50 -5 -1分类代号 Category code 绝缘 Insulation 护套 Sheath结构序号 Structure sequ ence number 线芯绝缘外径 Insulated outer diameter of core 特性阻抗 Characteristic impen dance三、 使用条件 Working Condition使用温度： -3070。 相对湿度： 当温度为402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。Working temperature: -3070 Relevant humidity: 98% at 402. Temperature for installation is no lower than -15. Min. bending radius: it will be no less than 5 times that of cable outer diameter for indoor usage, and no less than 10 times for outdoor usage.四、 型号及名称Type and Description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 Coaxial RF cable with solid core, PE insulation and PVC sheath62五、 结构尺寸 Specification and Size型号规格 Type内导体mm Inner conductor绝缘 外径mm Insulated outer diameter外导体直径mm Diameter of outer conductor 护套外 径mm Sheath OD绝缘电阻 M.km Insulated resistance 200MHz下 衰减dB/m Attenuation under 200MHz根数/直径* Pieces/ diameter*内层 Inner layer外层 Outer layer单线直径 Diameter of single pieceSYV-50-2-17/0.161.500.10软 铜 线 Soft copper wire/0.100. 012.80.250000.45SYV-50-2-77/0.161.500.10/0.100. 012.80.20.45SYV-50-2-87/0.161.500.10/0.100. 012.80.20.45SYV-50-2-411/0.682.200.10/0.140. 014.00.20.31SYV-50-3-17/0.322.950.13/0.140. 015.00.20.24SYV-50-3-31/0.902.950.13/0.140. 015.00.20.22SYV-50-3-41/0.902.950.13/0.140. 015.00.20.22SYV-50-3-51/0.902.950.13软铜线 Soft copper wire0.140. 015.80.20.22SYV-50-3-411/0.902.950.13软铜线 Soft copper wire0.140. 015.80.20.22SYV-50-5-11/1.404.800.20/0.140. 017.20.30.15 SYV-50-5-31/1.404.800.20/0.140. 017.20.30.15SYV-50-