Quote:
Originally Posted by TinCanAlley
I will try to bring down the sweep rate and see if the waveform clears up.
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Possibly the "fat traces" are due to a very high frequency component riding on the waveform, so increasing the sweep speed might reveal its shape. Use the internal triggering of the 'scope to see if you can trigger on the superimposed (and presumably extraneous waveform) and display it to determine what it may be. So try both higher as well as lower sweep rates.
jr