PD IEC TR 61156-1-2:2009+A1:2014现行
Multicore And Symmetrical Pair/Quad Cables For Digital Communications - Part 1-2: Electrical Transmission Characteristics And Test Methods Of Symmetrical Pair/Quad Cables
出版：British Standards Institution
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基本信息
标准编号： PD IEC TR 61156-1-2:2009+A1:2014
发布时间：2014/10/31 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：74
标准简介
Contains the following topics from IEC 61156-1:2002: - the characteristic impedance test methods and function fitting procedures of 3.3.6; - Annex A covering basic transmission line equations and test methods; - Annex B covering the open/short-circuit method; - Annex C covering unbalance attenuation.
标准备注
2009 Edition Re-Issued in October 2014 & incorporates AMD 1 2014. (10/2014)
本标准替代的旧标准
