Re: [SI-LIST] : PCB track length and ringing

HANS_MELLBERG@NON-HP-Cupertino-om5.om.hp.com
Tue, 23 Sep 97 09:48:27 -0700

Simply due to the reflections caused by impedance mismatch somewhere
in the trace between source and destination. Mismatch can occur for a
multitude of reasons such as vias, changing planes, stubs, tees,
capacitive inputs, inductive traces etc., etc. That is based on
transmission line theory found in elementary electromagnetics
textbooks.
Hans

______________________________ Reply Separator _________________________________
Subject: [SI-LIST] : PCB track length and ringing
Author: Non-HP-gkrishna (gkrishna@rri.ernet.in) at HP-ColSprings,mimegw5
Date: 9/22/97 8:32 PM

Hi,

Can someone explain how the PCB (printed circuit board) track (signal
trace) length causes ringing in the High Speed Digital Signal systems.

Regards,
Gopalkrishna