標題: 4mil GND trace到底有無效果？ [打印本頁] 作者: no2892215 時間: 2011-5-9 09:52 PM 標題: 4mil GND trace到底有無效果？ When PCB layout area is not enough, we often use 4mil GND trace to shielding RF clock trace with 4mil spacing. # e6 w, L! j% r' xIs this way enough to avoid RF clock signal to couple other signal trace near the 4mil trace? ) Y' y) y$ Q2 p, ]: m$ Q* ?Thanks作者: mic29 時間: 2012-1-18 07:24 AM
u r proposed to refer to 3W rule. 2 c! b% k& X* h: w6 c2 _when clock trace is 5 mils, u will need 10 mils spacing.% d9 k# X7 m4 g% s; k' G
of course GND trace will help, but PTH through holes with proper interval will do it better.: V( p5 x- b, Y. J
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google it for detailed information, please!