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Viewing 5 posts - 1 through 5 (of 5 total)
Viewing 5 posts - 1 through 5 (of 5 total)
set the graph to weekly and you see the oscillation. You also see a unit close to me with half the values. It’s a unit with the same components like me but another firmware an older one.
I don’t think that it is a issue from transistor soldering.

The pic
A higher compensation capacitor (C9) seem to amplify this but not heal. So I also changed the tube. At first it seems to be better but it isnt away. I also changed the pwm frequency to 6500 to get a better duty.
1. change the compensation capacitor (C9)
What do you mean exactly? Only replace with another one or another capacity?