Guest liquibyte Posted November 24, 2014 Report Share Posted November 24, 2014 I've been playing around with the output of U3 and have been noticing an oscillation. After trying various values for C8 from 100n to 10p and caps across the 10V zener and R20 I was able to minimize this to a small spike. On a whim, I removed C8 altogether and the oscillation went away altogether. I guess my question would be is C8 entirely necessary if the output of U3 doesn't oscillate without it?Edit: Nevermind, I think I answered my own question. The output of the supply drops when C8 isn't there. Quote Link to comment Share on other sites More sharing options...
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