[SI-LIST] Re: Crosstalk and Overshoot/Undershoot
- From: steve weir <weirsi@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Wed, 29 Jun 2011 22:09:49 -0700
Mutual coupling between lines that switch simultaneously can either
reinforce, or suppress edges depending on their relative polarities.
Normally we think in terms of timing pull-in or push-out as the result
we are most concerned with.
If your crosstalk is so severe that it is going to cause protection
diodes to conduct, then you're going to be suffering other serious problems.
Steve.
On 6/29/2011 9:12 PM, Newbie Pugal wrote:
> Hi,
> The crosstalk theory says that the values of far end crosstalk will be
> negative and near end cross talk will be positive.
>
> If that is the case, does the negative far end crosstalk on the victim line
> leads to any undershoot problems? or it just reduces the noise margin levels
> in the victim lines?
>
> When to worry about overshoot and undershoot problems due to crosstalk?
>
> Thanks
> Pugal
>
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--
Steve Weir
IPBLOX, LLC
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