[sdiy] PCB layout tips

patchell patchell at silcom.com
Mon Dec 16 03:51:18 CET 2002


    Then you haven't looke at my boards. :-)

    If you look at the last page of :
http://www.silcom.com/~patchell/synthmodulesII/200-1017.pdf

    You will see, (hopefully) the power supply traces that run through
the ICs (the power traces are the thick lines).

    For analog, I run the +/- 15 volt lines on the inside of the pins,
and two ground traces on each side.

    BH's suggestion is a good one.  I find doing layouts this way the
cleanest way to do them.  Been doing it like that for years (and I never
subscribed to EN...didn't know about it :-(     ).....

Scott Juskiw wrote:

> In AN-15 (Electronotes), BH suggests putting +ve and -ve supply lines
> in two parallel rows underneath the chips. This sounds like a good
> idea to me. Yet when I look at PCBs of various modules (from people
> on this list no less), I never see this in practice. Is there some
> reason why this is in fact a really bad thing to do?
>
> Is there a PCB layout "do's and don'ts" list available? Would anyone
> care to share any layout tips for a newbie?

--
 -Jim
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