Circuit attached. Thanks.I charge 250VDC ( 80khz, square wave ) to a transistor ST83003, I got -12V between two
wave. I am looking for a solution for the -12V issue. Anyone have the solution
please advise. Thanks.
The -16 is for adjusting zero voltage for other control.The only place I can see where you have a negative voltage is R80. Why is it connected to -16 volts?
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by Luke James