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Old January 18th 06, 09:18 PM posted to rec.radio.amateur.homebrew
 
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Default anybody has barebones superhet schematics (QST june 82)?

hi,
does anybody have schematics of this receiver in electronic format?

thanks

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Old January 19th 06, 07:35 PM posted to rec.radio.amateur.homebrew
 
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Default anybody has barebones superhet schematics (QST june 82)?

The ARRL will send you a reprint of Doug Demaw's article for $5. I
have a copy of W1FBs Design Notebook and it looks like it has the
schematic and the description you are looking for. Sorry but I don't
have a scanner. You can often find this book at libraries.

The design uses 40673 dual gate FETS which are an obsolete part. You
can find them at surplus houses at about $10 each.

Any particular reason for wanting to build this particular receiver?

Roger

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Old January 20th 06, 06:28 AM posted to rec.radio.amateur.homebrew
 
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Default anybody has barebones superhet schematics (QST june 82)?

I understand the attraction of this circuit. Very simple, very clean.
Easy to understand. I built it and it was a great experience. I have
info on my web site. http://www.qsl.net/n2cqr

I could probably dig up the schematic and scan it if the original
poster still needs it -- please let me know. I recall several LONG
discussions of possible replacements for the dual gate MOSFETS.

73 Bill M0HBR N2CQR CU2JL

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Old January 21st 06, 11:20 PM posted to rec.radio.amateur.homebrew
 
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Default anybody has barebones superhet schematics (QST june 82)?

Hi Bill,

it would be really helpful if you could scan it and email to


thanks in advance,
Aadu Adok
Tallinn - Estonia

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