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The utilization of guard traces with two ground vias at both ends to improve the eye opening and jitter for serpentine delay lines has been investigated. However, it is not easy to accomplish using normal manufacturing technology nowadays because the position of the pad of grounded via is surrounded by serpentine trace. This is especially true in normal manufacturing technology, in which size of the...
Grounded guard traces are increasingly utilized to mitigate crosstalk noise interference in printed circuit boards or packages. This paper discusses how the coupled striplines inserted guard trace with an open-stub affects the crosstalk noise. The guard trace with an open-stub, also called guard trace stub, seriously degrades the performance of the coupled striplines with respect to signal integrity,...
Grounded guard traces are increasingly utilized to mitigate the crosstalk noise interference of the printed circuit board or package. This article discusses how the couple microstrip line inserted guard trace with stub affects the crosstalk noise. The guard trace with an open stub seriously degrades the performance of the coupled line with respect to signal integrity (SI) while far-end crosstalk noise...
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