[SI-LIST] Re: Question regarding return current in a differential pair

  • From: Scott.Nixon@xxxxxxxxxxxx
  • To: si-list@xxxxxxxxxxxxx
  • Date: Thu, 20 Apr 2006 17:28:44 -0600

Tom,

If the coupling between a differential pair is only about 20% on a PCB, are the
benefits of using differential pairs really that significant? The signal is
still 80% coupled to the reference plane. I'm a student and I just want an idea
of how this is justified in a practical application.

Much Thanks,
Scott Nixon
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