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Karunakaran's avatar
Karunakaran
Icon for New Contributor rankNew Contributor
4 years ago

Ground noise when switching output

HI When am switching any output Ground is bouncing 400mV 3 to 4 rings... is there any guidelines to reduce this
ak6dn's avatar
ak6dn
Icon for Regular Contributor rankRegular Contributor
4 years ago

How are you measuring that 400mV noise on your ground? What is the test lead setup into the oscilloscope input?

A less than optimal probing setup can induce false noise into your measurement.

You must be probing 'ground' with respect to 'ground', correct? But where are these two points located?