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In Reply to: RE: Yep, In his original post posted by Chip647 on June 26, 2017 at 12:40:16
That doesn't make sense. If he was measuring across the winding, how would he ever see the -32V he described? He didn't say he measured at a different location after hooking it up, but maybe that's what happened. Anyway, glad it was a simple fix. :)
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Buy Chinese. Bury freedom.
Follow Ups:
The transformer isn't even in a circuit. This thread (including the supposed corrective explanation below) is practically incoherent.
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Buy Chinese. Bury freedom.
Some so-called "experts' here would do better to learn how to read rather than shooting off their mouths...
Nothing inconsistent at all. In my original post I said -0.4 volts was measured and the winding was 400 ohms. 400 ohms/0.4 volts gives 1 ma of current, so I concluded what I was measuring was the voltage drop across the winding. As I said in subsequent posts once I figured out that I was measuring incorrectly I was able to measure the voltage I expected and wanted.
Is there a grid resistor connected to ground in addition to the IT connected to the bias supply?
I'm just trying to figure out why there would be 1ma of DC current flowing.
There shouldn't be any.
Tre'
Have Fun and Enjoy the Music
"Still Working the Problem"
No grid was harmed in this experiment. Output was connected to secondary of IT I intend to use in a yet to be constructed amp. What I did initially was connect the negative output to one end of the winding and the positive end of the supply to the other of the winding. I then attached the meter one lead to each end of the winding. This is what gave me -0.4 volts. After my first post I connected one end of the winding to the negative output and the other to the red lead of the meter and the black lead of the meter connected to the positive ground of the supply. I was able to adjust this to the -32 volts I wanted. Hope this clarifies things.
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