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

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From: Douglas McKean ([email protected])
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

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