[Milsurplus] "We are Borg. Your MilRadio will beassimilated."

[rertman@ix.netcom.com]

As i recall, it was pretty easy to NBFM the XMTR, but the receiver was
quite another story.  A WBFM RCVR could still hear the NBFM XMTR, but
you had to turn up the audio gain.
Dick

Bob Wilder wrote:
> 
> Good idea Dave...Never thought of it...As I said originally, there was a way to
> put these on NBFM easily.  There were a bunch of them on 10 meters back in 1948-49
> in the Syracuse, NY area.  Back then, the rigs could be had (NEW) for under $20,
> 
> At 07:52 AM 9/20/2002 -0500, David Stinson wrote:
> 
> >Bob Wilder wrote:
> >>
> >> Has anyone have a modification for the above equipment which will
> >> change it from WBFM to NBFM operation....
> >> The mod can NOT destroy the gear as this is classic
> >> WW2 stuff and we want it to remain original....
> >
> >A Star Trek episode got me thinking about this:
> >how can we solve the problem of using WBFM radio
> >on NBFM bands without hacking the radio?
> >
> >There are lots itty-bitty components out there
> >that would run fine on a touch of filament voltage.
> >Why not install a "Borg Implant," robbed from an
> >old crystal scanner or some such?  For example-
> >an old hand held scanner or, if you need a smaller board,
> >the guts from an old pager.  Converting from whatever
> >IF you have to 10.7 MC shouldn't be any big trick.
> >Or you might find an old double-conversion board that
> >will take you down to 455 KC, or a dozen other possibilities.
> >Disconnect the output of your IF strip and feed it to
> >your "implant."  Run the output of the thing to the
> >first audio and you've got a NBFM receiver.
> >
> >As for the transmitter- turn the audio gain down.
> >Set it to deviate about 4.5 KC, then look along the transmit
> >audio chain with a scope.  Somewhere in there you can
> >put some back-to-back diodes to clip any peaks that stray
> >above what you want.
> >
> >With the little surface mount components you can get these days,
> >I bet you could build up little NBFM IF strips pretty cheap.
> >You can get whole receivers and transmitters on a chip, so
> >why not use this advantage to return these vets to the air?
> >
> >"We are the Borg.
> > Your BC-348 will be assimilated.  Resistance is futile."
> >
> >73 Dave S.
> >_______________________________________________
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> >
> >
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