FreeLists / si-list / [SI-LIST] Re: How to Measure Ground Noise

[Doug Smith <doug@xxxxxxxxxx>]

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
> 
> 
> 
> 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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