stupid 发表于 2010-8-9 17:36 g" o; O" B a [6 e: ~+ H7 C7 e1. Design all interconnects as controlled impedance and terminate when necessary& U# B! W4 J g6 r5 @0 U4 n$ T
2. Space out signa ...
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7. Use loosely coupled differential pairs, with symmetrical lines* B" {' R" Z" {% z8 f% T- X( Y