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by johnyjackson
Fri Nov 23, 2018 7:25 am UTC
Forum: Hardware
Topic: Problem met on LM393
Replies: 4
Views: 6216

Re: Problem met on LM393

The trouble I'm having is that when the input signal goes high at all, both outputs of the LM393 comparators stay high at V+. I've tried changing the value of the 10M ohm feedback resistors (R11 and R12), and I've bypassed and removed from the board the op amp buffer between the input signal and the...

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