From: Dima Smolyansky (email@example.com)
Date: Mon Apr 30 2001 - 11:41:52 PDT
I would rephrase this to say: unless the board is densely populated with
active DUTs and bypass capacitors, TDR should help. At least in my
experience it did.
TDA Systems, Inc.
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----- Original Message -----
From: "Ingraham, Andrew" <Andrew.Ingraham@compaq.com>
To: "'Bastola, Subas'" <firstname.lastname@example.org>
Cc: "'si-list'" <email@example.com>
Sent: Monday, April 30, 2001 8:20 AM
Subject: RE: [SI-LIST] : Plane short
> > What is the best method to find the location of a short between the
> > and gnd plane in a fully assembled board? Can TDR help?
> In answer to the second question, I suspect that a TDR is not much help
> a fully assembled board. All those bypass capacitors tend to look like HF
> shorts, and if the real short is in a component, it might be nearly
> indistinguishable from a working capacitor in the nanosecond timeframe.
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