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This Post Has Been Edited by the Author
In Reply to: RE: Negative bias supply problems posted by Triode_Kingdom on June 26, 2017 at 11:31:51
He said: "Hooked it up to the secondary of the interstage transformer I intend to use and the voltage fell to -0.4 volts." So he was measuring the tiny drop across the IT secondary. This is what you would expect. He needed to measure the top of the secondary to the cathode of the OPT.
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