stupid 发表于 2010-8-9 17:36 5 w# L/ {& B1 i# l- |8 \& C1. Design all interconnects as controlled impedance and terminate when necessary ; k3 M1 G4 u0 b$ [7 g) @2. Space out signa ...
' O, M& T3 ~( X$ Z. W * H2 c# T* H/ M" Y! D, @' D* m7. Use loosely coupled differential pairs, with symmetrical lines 4 U; _' b N! P; h - R$ a8 A3 o. u1 H# W& y6 H9 i loosely coupled 是怎么理解?