铜包铝线电缆在广电中的应用  

Application of CCA Conductor Coaxial Cable in Radio-TV Industry

作　　者：李远东[1] 

机构地区：[1]浙江传媒学院,杭州310018

出　　处：《光纤与电缆及其应用技术》2009年第5期27-28,39,共3页Optical Fiber & Electric Cable and Their Applications

摘　　要：通过对铜包铝线同轴电缆与铜导体同轴电缆的特性阻抗、低频电阻率、温度特性、衰减特性、回波损耗等性能参数的比较，论证了75Ω铜包铝线同轴电缆应用于有线电视网络、第一中频传输系统的工程可行性。On the basis of comparing the characteristics, such as characteristic impedance, low frequency resistance, temperature characteristics, attenuation, return loss, of copper clad aluminum（CCA） conductor coaxial cables with those of copper conductor the engineering feasibility of 75 Ω CCA conductor coaxial cable being used in CATV network and first IF transmission system.

关 键 词：铜包铝线同轴电缆 电缆分配网 第一中频传输系统 工程应用 

分 类 号：TM248[一般工业技术—材料科学与工程]