>
>
> Ronda, I don't have any papers to supply to you, but I
will mention one
> thing about the subject. In my experience, I have never
found guard bands
> to be a worthwhile thing to add to a design. It adds
traces, makes the
> board more complex, and the distance you need to space
critical traces from
> each other to fit the guard band is enough to eliminate
crosstalk between
> the traces. Guard bands also lower the impedance of
these critical nets.
> So unless one is running 2GHz+ signals, single ended on a
PC board, I would
> recommend not using guard bands.
> Regards,
> Fabrizio Zanella
>
Sr. Design Engineer
>
Hardware Engineering
> _/ _/
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>
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> -------------