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Comprehensive and Practical Way to Look at Far-End Crosstalk for Transmission Lines With Lossy Conductor and Dielectric
IEEE Transactions on Electromagnetic Compatibility ( IF 2.0 ) Pub Date : 2020-04-01 , DOI: 10.1109/temc.2019.2902070
Shaohui Yong , Victor Khilkevich , Xiao-Ding Cai , Chunchun Sui , Bidyut Sen , Jun Fan

Far-end crosstalk (FEXT) noise is one of the major issues that limits signal integrity performance for high-speed digital products. It is important to estimate the crosstalk noise accurately to avoid noise margin failure or overdesigned transmission lines. Traditionally, analytical formulas for crosstalk noise are based on lossless and perfect impedance match assumptions, which provide limited guidance for a practical high-speed transmission line design. A phenomenon is observed that a lossy conductor increases the FEXT on coupled striplines. To provide a reasonable explanation, analytical and numerical investigations were performed using a modal analysis based approach. A new FEXT component due to the lossy conductor is proposed. Such FEXT component is important to a high-speed stripline design because it is a major contributor when all terminals are matched. To estimate the impact of loss on FEXT, a practical and fast estimation approach is proposed.

中文翻译:

综合实用的方法来观察具有损耗导体和电介质的传输线的远端串扰

远端串扰 (FEXT) 噪声是限制高速数字产品信号完整性性能的主要问题之一。准确估计串扰噪声很重要,以避免噪声容限失效或过度设计的传输线。传统上,串扰噪声的分析公式基于无损和完美的阻抗匹配假设,这为实际高速传输线设计提供了有限的指导。观察到有损耗导体增加耦合带状线上的 FEXT 的现象。为了提供合理的解释,使用基于模态分析的方法进行了分析和数值研究。由于有损耗的导体,提出了一种新的 FEXT 组件。这种 FEXT 组件对于高速带状线设计很重要,因为当所有终端都匹配时,它是一个主要贡献者。为了估计损耗对 FEXT 的影响,提出了一种实用且快速的估计方法。
更新日期:2020-04-01
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