RE: [SI-LIST] : Guard traces

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From: Larry Miller ([email protected])
Date: Fri Jun 16 2000 - 06:51:08 PDT

Personally? I second Doug's statement.

Larry Miller

> -----Original Message-----
> From: Doug [SMTP:[email protected]]
> Sent: Thursday, June 15, 2000 9:22 PM
> To: [email protected]
> Subject: Re: [SI-LIST] : Guard traces
>
> Personally?
>
> They're unnecessary.
>
> If done incorrectly, can lead to all sorts of problems.
> If done correctly, have to be stitched every inch or so
> with vias driving up the cost. Adding guard traces leads
> to separating the traces you wish to separate anyway.
> Distance is the best cure for crosstalk. Therefore, IMO,
> it's sort of redundant to use them.
>
> < ducking for cover ... >
>
> Regards, Doug McKean
>
> Sean Murray wrote:
> >
> > I don't know if this has been asked before, but what are the general
> > feelings on the use of guard traces to shield clock lines? Is it worth
> > it, or the required amount of gnd vias prevents this from being a viable
> > solution?
>
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