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 Post subject: "old band" FM converter
PostPosted: May Thu 03, 2012 1:28 am 
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Joined: Aug Tue 30, 2011 11:25 pm
Posts: 934
Location: Charlevoix, Michigan, USA
I don't own any pre-war FM radios, though I have a friend who does. I ran across this article, though, and it looked interesting so I am posting the link in case anybody else wants it:

http://www.vacuumtubeera.net/FM-Converter-Crystal-Device.pdf

Lots of good articles from this website, by the way!


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 Post subject: Re: "old band" FM converter
PostPosted: May Thu 03, 2012 5:51 am 
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Joined: Nov Sat 26, 2011 4:09 am
Posts: 944
Location: Texas. USA
There are some other converters here http://www.somerset.net/arm/fm_only_converters.html including a 'no tube' crystal version like the one in your link, except they explain how and why it works, at least for strong locals.


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