The effects of via transitions on differential signals

IEEE 10th Topical Meeting on Electrical Performance of Electronic Packaging (Cat. No. 01TH8565) Pub Date : 2001-10-29 DOI:10.1109/EPEP.2001.967606

Chen Wang, J. Fan, J. Knighten, N. Smith, R. Alexander, J. Drewniak

引用次数: 9

Abstract

Vias in differential transmission lines have been modeled using the finite-difference time-domain (FDTD) method. The velocity that the differential signal propagated through the vias was estimated. Differential S-parameters were calculated up to 50 GHz. Below 10 GHz, the differential signal can propagate through vias without much reflection and distortion. However, as frequency increases, the reflection from the vias and the loss of differential power become significant.

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过通跃迁对差分信号的影响

采用时域有限差分法对差分传输线中的过孔进行了建模。估计了差分信号通过过孔的传播速度。在50 GHz范围内计算差分s参数。在10ghz以下，差分信号可以通过通孔传播，没有太多的反射和失真。然而，随着频率的增加，从过孔的反射和差分功率的损失变得显著。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IEEE 10th Topical Meeting on Electrical Performance of Electronic Packaging (Cat. No. 01TH8565)

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