[SI-LIST] noise seen from oscilloscope
- From: XiaoLiang Tan <tanxiaoliang1987@xxxxxxxxx>
- To: "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
- Date: Sun, 7 Apr 2013 12:07:05 +0800
Dear Experts,
When I use oscilloscope to measure the output of the linear
regulator, it gives a peak (more than 100 mV) for the DC voltage output at
a frequency in tens of Hz range.
When I short the probe and gnd (probe gnd) of the oscilloscope, it
also shows a peak voltage with a low frequency.
So may I know that what causes this problem? Thanks.
--
Best Regards
==================================
*Xiaoliang, Tan*
*Nanyang Technological University, Singapore*
*H/P: 93276589*
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