射频同轴连接器、射频电缆组件工程设计资料..

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1、同轴传输线、同轴连接器、射频电缆组件工程设计参考资料中国电子科技集团公司第四十研究所马乃祉D：外导体内径d：内导体外径εr：介质相对介电常数μr：介质相对导磁系数图1表1常用介质材料的电性能参数（25℃、标准大气压）介质材料常用标记介电强度(伏/密耳)相对介电常数εr(103Hz)正切损耗角tgδ(100MHZ)空气air8010聚乙烯PE4802.35×10-3交联聚乙烯IMP7002.35×10-3聚四氟乙烯TFE4802.051×10-4氟化乙烯丙烯FEP5002.052×10-4聚酰亚胺(改性)PI5603.422

2、×10-3聚丙烯(共聚)500～6602.25～2.305×10-4聚苯乙烯POLY5002.555×10-4苯乙烯聚苯撑氧MPPO5002.73×10-3聚苯撑硫/聚苯撑氧PPS/PPO6003.33×10-3改性聚苯醚5002.643×10-31、特性阻抗，Z0（殴姆）精确计算：2、单位长度电容C、电感L（pF/英呎）13（μH/英呎）1英呎=0.3048米3、理论截止频率fc（GHZ）λc：截止波长C0：真空中的光速，精确值为299792458±1.2（米/秒）精确计算：表2同轴传输线截止频率与相近连接器对照表(50

3、Ω)公称尺寸同轴传输线外导体内径（Dmm）截止频率（GHZ）相近的通用连接器连接器使用上限频率(GHZ)εr=1εr=1.5εr=2εr=2.05168.487.306.586.527/1661211.319.748.788.69UHF41112.3410.759.579.49HN61013.5711.6810.5310.44SC11816.9714.61213.1613.04BNC4719.3916.6915.0414.9NAPC-7186.520.8918.2016.2016.06TNC11622.6219.4817.

4、5517.40ATNC18527.1523.3721.0620.88433.9429.2226.3226.10SMABMA26.53.538.7833.3930.0829.82APC-3.533345.2538.9635.134.79SSMA352.9246.4940.0336.0635.752.9、SMK（K）402.456.5648.7043.8843.492.450267.8858.4452.6552.161.8573.3863.1856.9256.421.85（V）651135.76116.89105.31104.

5、381.0（M）110D/d2.3012.7753.24953.29134、传播速率VP5、延时Tns（ns/英吋）6、驻波参数反射系数ReflectionCoefficient（Γ）反射损耗ReturnLoss(dB)电压驻波比VSWR（ROS）表3VSWR、Γ、Loss换算表VSWRΓLoss（dB）VSWRΓLoss（dB）17.39100.891311.08500.0282318.72420.794321.05150.0251325.84800.707931.04580.0224334.41940.631041.0

6、4070.0200343.56980.562351.03620.0178353.00950.501261.03220.0158362.61460.446771.02870.0141372.32290.398181.02550.0126382.09990.354891.02270.0112391.92500.3162101.02020.0100401.78490.2818111.01800.0089411.67090.2512121.01600.0079421.57690.2239131.01430.0071431.4985

7、0.1995141.01270.0063441.43260.1778151.01130.0056451.37670.1585161.01010.0050461.32900.1413171.00900.0045471.28800.1259181.00800.0040481.25280.1122191.00710.0035491.22220.1000201.00630.0032501.19570.0891211.00570.0028511.17260.0794221.00500.0025521.15240.0708231.00

8、450.002253131.13470.0631241.00400.0020541.11920.0562251.00360.0018551.10550.0501261.00320.0016561.09350.0447271.00280.0014571.08290.0398281.00250.001358