10-08-2016, 11:48 AM
If you want to hear if everything is work but the LO you can do one of two things. Listen for it in a well calibrated receiver at 260kc above the dial set on the Philco. At the low end of the dial should hear the osc at 810kc and at 1760kc at the high end. You can use a few turns of wire around the 27 tube at a pickup point.
or
You can feed an unmodulated signal from your signal generator at the junction of #6 and #8 though a small cap (size doesn't matter much). Set the generator at 260kc above the frequency of the station you want to receive. Set the radio dial to the station frequency. If all is well (except for the osc) you should be able to tune the whole bcb as long as you keep the generator 260kc above the radio dial setting.
Have Fun!
or
You can feed an unmodulated signal from your signal generator at the junction of #6 and #8 though a small cap (size doesn't matter much). Set the generator at 260kc above the frequency of the station you want to receive. Set the radio dial to the station frequency. If all is well (except for the osc) you should be able to tune the whole bcb as long as you keep the generator 260kc above the radio dial setting.
Have Fun!
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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