Metallic communication cable test methods—Part 4-6:Electromagnetic compatibility (EMC)—Surface transfer impedance—Line injection method
IDT IEC 62153-4-6:2006
全国电子设备用高频电缆及连接器标准化技术委员会(SAC/TC 190)
GB/T 31723的本部分通过把规定的电压和电流施加到电缆的屏蔽层并测量感应电压获得表面转移阻抗的方法，来确定金属通信电缆的屏蔽效率。
使用常用的高频测量仪器进行测量，频率范围可从几千赫兹到1 GHz或以上。
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