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刚看了文档,觉得你考虑得还不周到:假如差分对的间距是4.5MIL,而SPACE中设置LINE TO LINE中设置的是5MIL, ...' K& i# X; K E+ I
piano 发表于 2010-1-7 18:23 ![]() $ k- e- {+ U& Q+ P
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& `' G* e0 g# n& k0 s4 p 我也有这样的问题( ]% d& \6 I+ D7 h
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不过我现在解决了,原因就是你只定义的diff pair primary gap:
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diff pair neck gap:,但没有定义diff pair SPACING,你可以把差分对建立为NET CALSS和NET CALSS-CALSS 再分别定义diff pair 与其它NET SPACING及diff pair 内SPACTING。7 ~% ?1 Z7 G- w; Y2 K
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如果还搞不定,找我吧6 h7 C: D! L/ J3 n: `
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andy_15@163.com">Dandy_15@163.com# Q3 \# w1 c3 f, \ N! y
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MSN andy_15@163.com
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