RE: [SI-LIST] : Plane short

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From: Ingraham, Andrew (Andrew.Ingraham@compaq.com)
Date: Mon Apr 30 2001 - 08:20:21 PDT


> What is the best method to find the location of a short between the power
> 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 with
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.

Andy

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