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38-4 IF frequency alignment help
John Bartley
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Posts: 358
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Joined: Aug 2015
City: Monteith, Ontario CA
#5

04-28-2016, 03:21 PM
I do it a bit differently. I inductively couple the signal generator to the radio by draping an antenna wire thru' a coil (random wound on a cardboard tube) connected to the generator. Then I disable the oscillator with a small value cap clipped across the oscillator section on the tuning cap. This way there are no electro-mechanical connections to make between the radio and the generator.

Just a different way ... may not be for everyone.

cheers
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Messages In This Thread
38-4 IF frequency alignment help - by hffenninger - 04-27-2016, 07:38 PM
RE: 38-4 IF frequency alignment help - by Mondial - 04-27-2016, 08:53 PM
RE: 38-4 IF frequency alignment help - by morzh - 04-27-2016, 09:30 PM
RE: 38-4 IF frequency alignment help - by John Bartley - 04-28-2016, 03:21 PM



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  1. The PHILCO Phorum
  2. Philco Radio Discussions
  3. Philco Electronic Restoration