[SI-LIST] Re: Ring back

  • From: "Andrew Ingraham" <a.ingraham@xxxxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Mon, 22 May 2006 13:02:14 -0400

> Ringback is just another name for undershoot.  I don't know why someone
> had
> to invent another name for something that already had a name.

Because ringback is more descriptive, and the correct meaning of undershoot
is so often misunderstood (and mis-defined by certain large semiconductor
companies), perhaps?

Actually, undershoot includes stepped waveforms (series termination too
large), but ringback usually means the waveform had initially reached (and
probably exceeded) normal levels before swinging back.

Andy


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