[R-390] R-390 IF, was Dead Horse, Hi, and Other Subjects.

Wed, 11 Jun 2003 19:48:25 -0400

The chemo may have me a bit brain dead these days but
it sounds to me like you guys need to trash the chepo 390a's
and get yourselves a quality 390 that needs no mechanical
filter replacements.  ( and is more sensitive too)

Scott

Uh.. did I get it right? 390 and 390a? or should I have said
390 non-a?  I never did figure out what the outcome was of
that thread.

> How about this crazy idea:
>
> Leave the original IF deck in there and tap off ahead of the MF's with a
> switch or RF plug 'n socket setup to feed the signal into another rx with
a
> good L/C 455 IF?  The other receiver would also need a similar gimmick.
> Maybe a crossover switch setup?  Actually, the other receiver could be ...
> brace yourselves .. a NON-A.  Or maybe even an SP-600.
>
> Barry
>
> ----- Original Message -----
> From: "Cecil Acuff" <[email protected]>
> To: "Joe Foley" <[email protected]>; <[email protected]>
> Sent: Wednesday, June 11, 2003 6:16 PM
> Subject: Re: [R-390] R-390 IF, was Dead Horse, Hi, and Other Subjects.
>
>
> > I think the KIWA filter modules would be the way to go...unless you are
> just
> > trying to go back to L\C filtering...
> >
> > Cecil...
> > ----- Original Message -----
> > From: "Joe Foley" <[email protected]>
> > To: <[email protected]>
> > Sent: Wednesday, June 11, 2003 5:05 PM
> > Subject: Re: [R-390] R-390 IF, was Dead Horse, Hi, and Other Subjects.
> >
> >
> > > Sure, we've covered that scenario.  But that burns up
> > > already rare R-390 IF decks.
> > >
> > > I'm talking about making NEW filters for the R-390A
> > > out of discrete, generic parts, or even custom made
> > > parts.
> > >
> > > Joe
> > >
> > >
> > >
> > > --- "Tom M." <[email protected]> wrote:
> > > > Cecil,
> > > >
> > > > I've done the 390 IF conversion for the 390A, and so
> > > > has Gene (I think it was
> > > > Gene).
> > > >
> > > > Works like a champ.  I run it in my regular rig.
> > > >
> > > > 73 Tom N5OFF
> > > >
> > > > --- Cecil Acuff <[email protected]> wrote:
> > > > > Adapting an R-390\URR IF deck to an R-390A\URR is
> > > > not at all unrealistic.
> > > > > Seems I remember the Military had it done because
> > > > of the phase shift
> > > > > problems the mechanical filters created in
> > > > diversity operations.  There is a
> > > > > military designation for it...I just can't
> > > > remember it at the moment.
> > > > > Someone on this list did the conversion just in
> > > > the last few months....I
> > > > > remember the posts....
> > > > >
> > > > > Les Locklear...Chime in here anytime I know you
> > > > have the info on it!
> > > > >
> > > > > Finding a source for R-390\URR IF decks is the
> > > > biggest problem! (maybe
> > > > > that's what you meant by unrealistic)
> > > > >
> > > > > Cecil...
> > > > >
> > > > >
> > > > > ----- Original Message -----
> > > > >
> > > > > From: "Gord Hayward" <[email protected]>
> > > > > To: <[email protected]>
> > > > > Sent: Wednesday, June 11, 2003 3:09 PM
> > > > > Subject: Re: [R-390] R-390A Cost Reduction and
> > > > Improvements (was dead horse
> > > > > Hi)
> > > > >
> > > > >
> > > > > > To this end I've thought about trying (I know
> > > > this is unrealistic :-) to
> > > > > get
> > > > > > an R390 IF deck and adapting it to the R390A .
> > > > How about an outboard
> > > > > > R392 IF strip?
> > > > >
> > > > >
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