[SI-LIST] Re: How to Measure Ground Noise
- From: Doug Smith <doug@xxxxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Wed, 06 Apr 2005 13:01:22 -0700
Hi Pyng,
There are some articles on my website that bear on your problem.
http://emcesd.com/tt070199.htm
http://emcesd.com/tt061400.htm
http://emcesd.com/tt2001/tt010101.htm
http://emcesd.com/tt2002/tt090102.htm (especially important to your issue)
Hope some of these articles help.
Doug
.......many lines deleted
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> ospyng wrote:
>
>
>>hi,
>>I was taught to measure ground noise, by having the ground of the
>>probe connect to ground TP of the board and the tip of the probe
>>measuring the same TP.
>>
>>is this the correct where? and Why?
>>is it because of the ground cable (3 inch) cause a loop, therefore the
>>reference and the tip of the probe has a different voltage?
>>
>>thanks
>>pyng
>>
>>
>>
>>
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> -
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>
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