[Boatanchors] When You Can't Get an IF Can
Walt Cates
cateswa at msn.com
Tue Sep 29 09:34:21 EDT 2020
TYPO I meant 1S5
Walt Cates, WD0GOF
https://wd0gof.com/Hallicrafters
The root of most anger is FEAR.
https://wd0gof.com/bible-study/commentaries/
________________________________
From: boatanchors-bounces at mailman.qth.net <boatanchors-bounces at mailman.qth.net> on behalf of David Stinson <arc5 at ix.netcom.com>
Sent: Tuesday, September 29, 2020 6:26 AM
To: Boatanchors at mailman <boatanchors at mailman.qth.net>; milsurplus at mailman <milsurplus at mailman.qth.net>
Subject: [Boatanchors] When You Can't Get an IF Can
Good Morning.
Theoretical situation-
You have an IF transformer with an open primary.
For whatever reason, you cannot get a replacement
or suitable substitute. Some of you will recognize
this diagram:
https://photos.app.goo.gl/qtLG7oEEP73Lg7Yt6
Possible solution:
Use a 455 KC Ceramic Resonator-
https://photos.app.goo.gl/SbYwxAEzubXCkGU27
The 10 Ohm resistor is because that was the DC
resistance of the secondary winding.
Thoughts?
73 DE Dave AB5S
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