二同轴接头理论模型特性阻抗的计算

Calculation of Characteristic Impedance for Theoretical Model of Twinax

当今高速信号的传输越来越迫切地需要高性能的连接器与之匹配,故用于传输高速差分信号的多内导体同轴接头在民用机载和军用设备上得到广泛应用。基于计算机的数值计算的方法在分析这种结构复杂的连接器方面体现出了优越性。介绍了运用矩量法计算二同轴接头理论模型特性阻抗的基本原理,并将计算结果与HFSS仿真结果作比较,由对比可知此方法准确、快捷,是分析二同轴接头理论模型特性阻抗的一种有效方法。

Nowadays,the transmissions of high speed siginals are in great need of connectors with high quality. Multi -conductor coaxial connectors used in transmitting high speed differential signals are popular in civil aviation and military equipment. Computing has its advantages in analysing this kind of connectors of complicated structures. The method Of moment used to calculate the characteristic impedance for the theoretical model of twinax is described. The computed results are compared with simulations of HFSS software,to demonstrate the highly accuracy and rapidness of the theory, which is proved to be an effective method to analyse the theoretical model of twinax.