IEC TR 61156-1-2:2009 数字通信用多芯对称对绞/四芯电缆第1-2部分:对称对绞/四芯电缆的电气传输特性和试验方法

标准编号：IEC TR 61156-1-2:2009

中文名称：数字通信用多芯对称对绞/四芯电缆第1-2部分:对称对绞/四芯电缆的电气传输特性和试验方法

英文名称：Multicore and symmetrical pair/quad cables for digital communications - Part 1-2: Electrical transmission characteristics and test methods of symmetrical pair/quad cables

发布日期：2009-05-26

标准范围

IEC/TR 61156-1-2:20 09（E）是IEC 61156-1:20 02（第2版）中存在的对称对/四边形电传输特性的修订版，未纳入IEC 61156-1:20 07（第3版）中。本技术报告包括IEC 61156-1:20 02中的以下主题—3.3.6的特性阻抗测试方法和函数拟合程序；-附录A，涵盖基本传输线方程和测试方法；-附录B涵盖开路/短路方法；-附录C涵盖不平衡衰减。

IEC/TR 61156-1-2:2009(E) is a revision of the symmetrical pair/quad electrical transmission characteristics present in IEC 61156-1:2002 (Edition 2) and not carried into IEC 61156-1:2007 (Edition 3). This technical report includes 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.

标准预览图