thank you thank you thank you!

(and everyone else who answered!)

Jack

http://www.merix.com/resourcecntr/tech/dc_line.doc



-----Original Message-----
From: Doug Brooks [mailto:[log in to unmask]]
Sent: Thursday, February 08, 2001 9:04 AM
To: DesignerCouncil E-Mail Forum.; Olson, Jack; [log in to unmask]
Subject: Re: [DC] DC resistance of PCB traces


For one reference, look at my column in the Jan issue of PC Design
Magazine. Then we have a new little calculator just for this purpose on our
web site,
http://www.ultracad.com
that is designed to do just this.

Doug Brooks



At 10:49 AM 2/8/01 -0600, Olson, Jack wrote:
>         Ok, this bugs me....
>         I have a whole room full of reference material here and I still
>can't find what I'm looking for....
>
>         I'm trying to find a simple chart that shows the DC resistance of
>different trace widths.
>         I have the AWG wire table, so I COULD calculate the square mils of
a
>trace cross section,
>         convert it to its wire gage equivalent, and get the ohms per foot.
>         but I might have to do that a hundred times to give the engineer
>what he needs.
>
>         am I overlooking a simple look-up table somewhere?
>         Does ANYONE have any reference material for DC resistance of
>different trace widths?
>
>         Jack
>
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************************************************************
Doug Brooks' book "Electrical Engineering for the Non-Degreed
Engineer" is now available. See our web site for details.
.
Doug Brooks, President              [log in to unmask]
UltraCAD Design, Inc.           http://www.ultracad.com

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