[SI-LIST] Re: Unconnected pins in a connector carrying differential signals

  • From: "Ingraham, Andrew" <Andrew.Ingraham@xxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Fri, 4 Oct 2002 14:04:26 -0400

> Will connecting the free pins to ground do any good in
> terms of crosstalk/SI.
> Or should we leave the pins free.
> 
Alternatively, you could terminate each line with something close to its
characteristic impedance on both ends.

That way, any crosstalk that gets induced into an unused line, would be
absorbed at the ends and not bounce back and forth forever.

Andy



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