[SI-LIST] Re: EMI and Power plane card edge clearance distance
- From: "Dr. Edward P. Sayre" <esayre@xxxxxxxx>
- To: daveheald@xxxxxxxxxxxx, Stacy_L_Gore@xxxxxxxxxxxx
- Date: Wed, 01 Aug 2001 11:33:33 -0400
Dear SI Colleagues:
Please realize that the so called 20-H rule is a "Rule of Thumb" and that
it is not a real engineering derived design rule except for the specific
problem someone worked out when the rule was first derived. If you want to
use it, then so be it, but recognize that other factors can overwhelm the
benefits, so use it with care.
Sincerely,
ed sayre
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| NORTH EAST SYSTEMS ASSOCIATES, INC. |
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| "High Performance Engineering & Design" |
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| Dr. Ed Sayre e-mail: esayre@xxxxxxxx |
| NESA, Inc. http://www.nesa.com/ |
| Primrose Park Tel +1.978.392-8787 |
| 5 LAN Drive, Ste 200 Fax +1.978.392-8686 |
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