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From: "Michael A. Terrell"
Subject: Re: What are these terms in PCB design?
Date: Mon, 07 Oct 2002 00:42:46 -0400
Organization: Do I have to? Well, Ok. If you insist!
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References: <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org>
"Keith R. Williams" wrote:
> In article <email@example.com>, a?n?g?e?
> firstname.lastname@example.org says...
> > On Sun, 6 Oct 2002 11:53:52 -0400, Keith R. Williams
> > wrote:
> > >> Though I expect some manufacturer somewhere in China probably is mass
> > >> producing a similar thing by the time I get this done!
> > >
> > >Do you have this thingy up on a web site? Sounds interesting.
> > >Maybe if it does get ripped off you won't have to make them for
> > >all your friends (and theirs). ;-)
> > Well, to be honest, we're ripping off Antec who in turn ripped off
> > some PC enthusiast somewhere who put lights on his PSU fans. My
> > friends can't afford an Antec so... :)
> LOL! I guess they've already ripped you off. ...err...
> > Besides, whether somebody else makes them or not in the end, my main
> > thing is I'm learning stuff from this :)
> That works. You do have the tenacity of an under-fed pit-bull.
> I've said many times that you'll do well! Your male friends (and
> bosses) are underestimating you! ;-)
> > And I wish these programs can learn to route the traces themselves
> > after I put down the pads. I've spent a couple of days re-arranging
> > things on the monitor, using resistors placement to cheat by hopping
> > over traces and stuff.
> Oh, they indeed can! Auto-routers do indeed exist, but aren't
> perfect (the traveling salesman problem) and are expensive. When
> I've done such designs I've told the layout people, go fer it on
> *these* wires. I want to do the important stuff breathing over
> their shoulder, but the rest just has to get from here to there.
> OTOH, since you're limiting yourself to one layer, the human
> brain will beat 'em all.
> For any complexity, the problem likely cannot be solved on one
> layer. Think about using components to bridge lands (think of
> them as a "second layer"). Even think about useless components
> (they may be easier than wires). Zero-ohm resistors exist for a
Sure! Quite handy for 0 Db pads!
Michael A. Terrell
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