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  1. Thank you for your prompt reply JColvin!! How can I see the frequency of the noise?
  2. Hi everyone, I am new with Analog Discovery 2. I probe the output of a buck converter to measure the ripple voltage. I can see the normal yellow that is the output waveform and also I see a "light" yellow waveform (see the attachment) where I cannot understand what is that.. Could someone explain me what is this "light" yellow waveform ? Thanks in advance Nick