From: Clewell, Craig W (ClewelCW@bergelect.com)
Date: Thu Aug 31 2000 - 11:23:36 PDT
Funny thing....I was under the impression that the skin depth was
"frequency" and "material" dependant not geometry dependant. I would be
curious to know what data your boss has that says different.
From: Muhammad S. Sagarwala [mailto:firstname.lastname@example.org]
Sent: Thursday, August 31, 2000 12:45 PM
Subject: [SI-LIST] : skin effect
Hello Si Gurus,
I just had an interesting discussion with my boss on "skin effect on pcb
I was of the opinion that increasing the trace thickness from 1/2 oz. to
1oz. would help reduce the
skin effect but according to him skin effect does not reduce significantly
with the increase in trace thickness.
He was of the opinion ( and also had some data to back him up) that skin
effect is more dependent on the
width of the trace.
I always thought that if one increases the overall perimeter of the pcb
trace - regardless of whether it is done by
increasing the width or increasing the thickness - the skin effect would
reduce. I would appreciate if somebody
could come up with a better explanation...
p.s.: when we talked about pcb traces we were talking about striplines in
Muhammad S. Sagarwala
Ph. (408) 586 7065
Fax (408) 586 4668
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