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39-30 field coil
Radioroslyn
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#3

04-02-2019, 10:03 AM
If the coil is replaced w/ a 10k resistor you are going to have a 300v drop from the cathode of rectifier to the screen grid of the 41 (output of the power supply) in rough numbers. Equaling abt 5v B+. @ 2000ohms you'll have abt a 100v drop which is pretty close to what the pin voltages equal.
When my pals were reading comic books
I was down in the basement in my dad's
workshop. Perusing his Sam's Photofoacts
Vol 1-50 admiring the old set and trying to
figure out what all those squiggly meant.
Circa 1966
Now I think I've got!

Terry
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Messages In This Thread
39-30 field coil - by NostalgiaRadioTime - 04-01-2019, 10:25 PM
RE: 39-30 field coil - by vecher - 04-02-2019, 12:31 AM
RE: 39-30 field coil - by Radioroslyn - 04-02-2019, 10:03 AM
RE: 39-30 field coil - by NostalgiaRadioTime - 04-02-2019, 06:37 PM
RE: 39-30 field coil - by Radioroslyn - 04-02-2019, 07:38 PM
RE: 39-30 field coil - by NostalgiaRadioTime - 04-02-2019, 10:19 PM
RE: 39-30 field coil - by Radioroslyn - 04-03-2019, 10:21 AM
RE: 39-30 field coil - by NostalgiaRadioTime - 04-03-2019, 10:38 PM



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