原帖由 michaelw_wang 于 2008-6-25 06:53 发表
you need to specify the hight between top/gnd, and bottom/power, to do the calculation.
normally, if the hight is 5mil, trace width is 5mil, gap between two signals in one pair is 8mil, the differe ...
Zd.jpg (73.67 KB, 下载次数: 3)
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