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Thread: Current on a PCB
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face BY : Dan Michaels email (remove spam text)



Mark Willis wrote:
.....
(Some people think you can
>get away with 10 mil ground & Vcc traces that snake all over the board,
>and things will work fine.
......

Hard to imagine anyone would do this. Even though the nomograph
indicates you can run 750 mA thru such a trace, and only have a 10degC
temp rise, there are several "other" things to worry about. Trace series
R producing IR drops. Digital noise in this narrow channel. Inductive
effects of narrow trace width at hi speeds. Impedance issues. On and on.

<1.5.4.16.20000531133845.2b2f2682@lynx.sni.net>

See also: www.piclist.com/techref/pcbs.htm?key=pcb
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