Re: [SI-LIST] : Plane short

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From: David Instone (david_instone@uk.xyratex.com)
Date: Mon Apr 30 2001 - 06:06:09 PDT


Try the TONEOHM shorts loacators from Polar Instruments (the same people
that do the PCB impedance calculators)
http://Polarinstruments.com
Dave

Michael Nudelman wrote:
......
> 3. There used to be a hand-held device on the market, size of a logic probe,
> that produced variable tone depending on the closeness to the shorted spot.
> Took me 2-3 minutes max to find the exact location (required good hearing -
> I have an absolute pitch).
> Problem - I've been trying to locate the device unsuccessfully for 4 years
> now. Seems like they either withdrew it due to the lack of demand or I do
> not know where to look.
>
> IF ANYONE KNOW ABOUT THIS ONE PSE LET ME KNOW - WILL BE FOREVER IN YOUR
> DEBT! :-))))
>
> Mike
>
> -----Original Message-----
> From: Bastola, Subas [mailto:subas.bastola@intel.com]
> Sent: Saturday, April 28, 2001 11:56 PM
> To: si-list@silab.eng.sun.com
> Subject: [SI-LIST] : Plane short
>
> 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?
>
> Subas Bastola
> Intel
>
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-- 
Regards

Dave Instone. Compliance Engineer Storage Systems Development, MP24/22 Xyratex, Langstone Rd., Havant, Hampshire, P09 1SA, UK. Tel: +44 (0)23-92-496862 (direct line) Fax: +44 (0)23-92-496014 http://www.xyratex.com Tel: +44 (0)23-92-496000

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