Re: [SI-LIST] : What's your favorite Screwy SI Concept?

About this list Date view Thread view Subject view Author view

From: Douglas McKean (dmckean@corp.auspex.com)
Date: Wed Jan 05 2000 - 13:39:59 PST


At 02:17 PM 1/5/00 +0100, you wrote:
>
>
>Having been following this list for several years now, and coming up
>against plenty of signal integrity issues with my work along the way - I
>always find it interesting to see how many confused or even totally
>bogus, yet often quoted, design 'philosophies' there are floating about
>in this field -
>
>e.g. connect a decoupling cap directly to the power/gnd pins of a device
>to prevent noise currents from spreading onto the power planes rather
>than dropping vias directly to the plane.
>
>
>I would be interested to hear other people's favourite 'Screwy SI
>Concept' - why its screwy and why you think it has hung around in the
>literature confusing everybody.
>
>I'll put together a summary if enough people send me stuff.

< chuckle >

Screwy SI Concept #2: The 20H Rule

Why It's Screwy: Highly debatable concept and it's
                      not really an SI concept at all.

Why It's Hung Around: Easy to remember

**** To unsubscribe from si-list: send e-mail to majordomo@silab.eng.sun.com. In the BODY of message put: UNSUBSCRIBE si-list, for more help, put HELP.
si-list archives are accessible at http://www.qsl.net/wb6tpu/si-list
****


About this list Date view Thread view Subject view Author view

This archive was generated by hypermail 2b29 : Thu Apr 20 2000 - 11:34:26 PDT