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Approach to Analysis and Solution for Alien Crosstalk Requirements of Unscreened Cables for Digital Communications

机译:用于数字通信无筛选电缆的外星串扰的分析和解决方法

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New categories of data cables are currently developed due to requirements that result from the introduction of higher bandwidth data transmission protocols (10GBASE-T). Especially for unscreened systems the crosstalk between cables - commonly called alien crosstalk - is the main limiting factor. An analysis of these effects with respect to cables is described considering the mechanisms causing alien crosstalk and the measurement techniques quantifying it. The main coupling paths for balanced and unbalanced signals are taken into account. A solution for an unscreened cable based on a unique tape construction is shown. Its performance is analysed and compared to other solutions, traditional unscreened cables as well as screened cables. Design principles are described with respect to the impact of the tape design on the coupling paths and on the return loss.
机译:目前由于引入更高的带宽数据传输协议(10GBASE-T)而导致的要求,目前开发了新的数据电缆。特别是对于未筛选的系统,电缆之间的串扰 - 通常称为外星串扰 - 是主要限制因素。考虑到导致外星串扰的机制和量化它的测量技术,描述了对电缆的这些效果的分析。考虑平衡和不平衡信号的主耦合路径。示出了基于独特磁带结构的未筛选电缆的解决方案。分析其性能并与其他解决方案相比,传统的未筛选电缆以及筛选的电缆。关于磁带设计对耦合路径的影响以及回波损耗来描述设计原理。

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