stupid 发表于 2010-8-9 17:36 7 S/ J6 n. C, k. q/ x- b9 I0 c1. Design all interconnects as controlled impedance and terminate when necessary" }) ]0 ?8 p& j9 Y+ Z
2. Space out signa ...
( B7 R* j, h* O) }$ ~1 x6 E# Z% D( f1 ~2 F- o$ l* H* `( s
7. Use loosely coupled differential pairs, with symmetrical lines ( ^+ |5 i( I: ?9 C + p8 a3 T: N; _ loosely coupled 是怎么理解?