浅谈对称电缆退扭绞对与加扭绞对  

Discussion on Back-Twist Pair and Over-Twist Pair in Symmetrical Cables

作　　者：肖飚 

机构地区：[1]成都普天电缆股份有限公司,四川成都611731

出　　处：《电线电缆》2009年第3期9-13,共5页Wire & Cable

摘　　要：首先介绍了退扭绞对改善结构回波损耗的原理和实现方法,然后针对目前退扭绞对实现过程中存在的缺陷提出,加扭绞对同样也能改善电缆结构回波损耗指标,并给出了加扭绞对的试验结果。In this paper, the author presents first the principle and execution of the method to improve structural re- turn loss by the back-twist pair. Then, in terms of the disadvantages of the method by back-twist pair, he indicates that structural return loss can be improved by the over-twist pair as well and presents the test results with the over- twist pair method.

关 键 词：退扭绞对 加扭绞对 输入阻抗 结构回波损耗 

分 类 号：TM248.2[一般工业技术—材料科学与工程] TM205.2[电气工程—电工理论与新技术]