[SI-LIST] Why Termination at Both End ?

  • From: Rajan Hansa <all.si.list@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Tue, 9 Aug 2011 13:56:52 +0530

Experts,

Can anyone explain that why in some designs we see source as well as load
terminations, I mean termination at both side of traces ?  If ringing is a
issue then only source termination should be sufficient to control it and we
can use a receiver with very high input impedance i.e. no need to match
input impedance of receiver with transmission line characteristics
impedance.

Rajan


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