标准摘要
[中文适用范围]： 吸收钳方法适用于确定 30 MHz 至 1000 MHz (2400 MHz) 频率范围内金属通信电缆的屏蔽或耦合衰减，具体取决于钳的性能。它是三轴法的替代方法 [外文原描述]： IEC 62153-4-5:2021 is suitable to determine the screening- or the coupling-attenuation of metallic communication cables in the frequency range of 30 MHz to 1 000 MHz (2 400 MHz), depending on the performance of the clamp. It is an alternative method to the triaxial method of IEC 62153-4-4 or IEC 62153-4-9. Due to the undefined outer circuit of this absorbing clamp method, the test results obtained at different places and laboratories could vary by at least ± 6 dB. This second edition cancels and replaces the first edition published in 2006. This edition includes the following significant technical changes with respect to the previous edition: a. reorganisation of clauses and annexes; b. extension of frequency range to 2,4 GHz; c. application of a virtual balun respectively balunless test procedure with multiport VNA.
英文名称Metallic communication cable test methods - Part 4-5: Electromagnetic compatibility (EMC) - Screening or coupling attenuation - Absorbing clamp method