[SI-LIST] Ringing in Lumped & Distributed Circuits

  • From: Rajan Hansa <all.si.list@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Tue, 17 May 2011 16:23:45 +0530

Hello Experts,


I have a problem understanding ringing concept in lumped and distributed
circuits. What I have learned that lumped circuits may or may not ring
depending on the Q of the circuit but distributed circuits with terminated
load will not have any ringing.



where Q for RLC circuit = (L/C)1/2 /R



I would like know :



1)      Why Q is not important in distributed circuits ? If it?s important
then how termination resistor affects Q in distributed circuit ?



2)      Is ringing phenomenon ( overshoot & undershoot) in lumped circuit is
different than distributed circuit ?



Rgds,

Rajan

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