[R-390] SSB Converters Diode Bridge

[email protected] [email protected]
Tue, 14 Jan 2003 12:35:59 -0500


Food for thought:
Discussion has been about using common diodes, presumably silicon. I believe these have about a 0.6 volt drop across them. Would using germanium diodes, with a 0.1 volt drop, provide more sensitive control? Sounds like a project to try.
Wayne H
> 
> From: "Scott, Barry (Clyde B)" <[email protected]>
> Date: 2003/01/14 Tue AM 11:25:35 EST
> To: "R390 (E-mail)" <[email protected]>
> Subject: RE: [R-390] SSB Converters Diode Bridge
> 
> As long as I've been participating in this list, I don't recall this "add-on" being discussed.  It sure seems like a cool thing to try and I plan to.  I like "elegant" mods like this one...
> 
> Barry - N4BUQ
> 
> > All you need is a $.99 Radio Shack full wave bridge 
> > rectifier.  If you've got a
> > junker power supply lying around, there is likely a capable 
> > bridge in it ready
> > to use.
> > 
> > Refer to the back of the RS package.  Route your line audio 
> > to the two AC
> > inputs of the part, ground the + pin and wire the - pin to 
> > your AGC terminal.  
> > 
> > When copying SSB, you simply crank in a little line audio to 
> > provide additional
> > AGC action to the set.  You may also wire in a little 
> > resistance to your
> > liking.
> > 
> > When listening to AM, turn your line audio to min.
> > 
> > Elegant.  Wish I'd have thunk of it.
> > 
> > Back in the day, some guy was charging good money for this 
> > Cracker Jack prize,
> > selling it as a sophisticated gadget.
> > 
> > 73 Tom
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