[SI-LIST] Re: skin effect
- From: "Dunbar, Tony" <tony_dunbar@xxxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Mon, 26 Jul 2004 09:31:09 -0400
Santhosh,
Any high-speed digital design and signal integrity text book worth its salt
covers skin effect to some degree. I would point you at two references for
both a fundamental, yet still quite thorough coverage, and also a more
analytical coverage:
1) High-Speed Digital System Design; Hall, Hall, McCall; John Wiley & Sons,
2000.
2) High-Speed Signal Propagation; Johnson & Graham; Prentice Hall, 2003.
Skin effect is the frequency-related effect whereby current density tends to
migrate to the surface (or "skin") of a conductor. The depth of the majority
of the concentration is called the "skin depth." The skin depth is related
to the inverse square-root of the frequency and the square-root of the
conductor's resistivity. Skin effect is both a microstrip and stripline
phenomenon. You may wish to look at surface roughness and how that factors
into the overall situation with skin effect.
Regards,
Tony
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of Santhosh E P (setavala)
Sent: Monday, July 26, 2004 7:31 AM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] skin effect
hi all,
can anyone give a definition for skin effect in pcb... how does this change
according to the frequency of the signals?
is skin effect comes into picture on for the micreostrip not for stripline,
if then why?
regards
santhosh
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