同轴电缆转接中特性阻抗的错位补偿计算方法  

Calculation of Impedance Compensation for Design of Coaxial Cable Connectors

作　　者：岳志勤[1] 姚志明[1] 宋岩[1] 段宝军[1] 

机构地区：[1]西北核技术研究所,西安710024

出　　处：《现代应用物理》2014年第1期64-70,共7页Modern Applied Physics

摘　　要：特性阻抗匹配是同轴电缆转接设计中的基本要求。分析了特性阻抗匹配中轴向错位补偿方法的不足,提出了基于二端口网络的同轴电缆特性阻抗的轴向错位补偿计算方法,并计算了几种不同绝缘介质同轴电缆转接设计中的轴向错位补偿值。利用高频结构软件对计算结果进行了电缆传输性能模拟,结果表明,该方法适用于同轴电缆转接设计,可以降低电压驻波比,从而提高电缆传输性能。In design of a coaxial cable connectorthe characteristic impedance of the cable has to be made matched with the structure of the cable connector.The empirical formulae com-monly used in axial misalignment compensationhowevercan not give a compensation value satisfying the practical engineering requirements.We propose a method to calculate the axial misalignment compensation based on a two-port networkand gives several connector models designed by the proposed method for several coaxial cables with different insulation dielec-trics.Transmission performance of the models is simulated by the High Frequency Structure Simulator.The results show that the voltage standing-wave ratios of the models are effec-tively reducedand thus the transmission performances are improved.

关 键 词：射频同轴电缆 连接器 阻抗补偿 电压驻波比 

分 类 号：TH122[机械工程—机械设计及理论] TN603[电子电信—电路与系统]