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[TenTec] Rcvr so-called performance figures (lo-o-ong)

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Subject: [TenTec] Rcvr so-called performance figures (lo-o-ong)
From: Gary Hoffman" <ghoffman@spacetech.com (Gary Hoffman)
Date: Fri, 8 Nov 2002 18:21:59 -0500
Along with this thread... I imagine that the same thing would work with
my Corsair in front of my Pegasus ???\

Cool.

73 de Gary, AA2IZ


----- Original Message -----
From: "George, W5YR" <w5yr@att.net>
To: "robert k stephens" <bstephens1@mindspring.com>
Cc: <AC5E@aol.com>; <maxmoon@umn.edu>; <tentec@contesting.com>
Sent: Friday, November 08, 2002 1:20 PM
Subject: Re: [TenTec] Rcvr so-called performance figures (lo-o-ong)


> I would expect so, Bob - try it and see. I take an IF signal from the
> output of the Post-Mixer amplifier where it feeds the noise blanker. Use a
> 22 pf cap to RG-174 to a BNC in one of the transverter holes on the rear
> panel. From there, any shielded cable to the (preferably) Receive Antenna
> input for the radio. Tune the radio to zero beat the IF "carrier" that you
> will hear and then just operate the K2 as usual, but with any additional
> filtering, etc. from the other radio. Be very careful that transmitting on
> the other radio will not put power on your K2 tap point!!
>
> The main advantage is gaining access to the IF-DSP filters, noise
> reduction, etc. while retaining the K2 front-end performance.
>
> Another IF output can be taken from the amp that follows the AGC mixer. I
> use a 1000 pf cap in series with 75K to a BNC on the other transverter
> hole. This output is at about 156 KHz and uses the K2 IF filter, SSB
> filter, etc. The main advantage is that the K2 front end performance is
> enhanced by the IF filter so some degradation is suffered when not using
> the K2 crystal filters. But you still have the other radio filters, etc.
>
> Try both ways and see which you like best. In either case, tune the other
> radio to zero beat the large carrier signal - at approximately the IF
> frequency of either 4915 or 156 KHz. With the PRO the first method allows
> the Spectrum Scope to operate, which is a great help.
>
> Let me know how it turns out!
>
>
> 73/72, George
> Amateur Radio W5YR -  the Yellow Rose of Texas
> In the 57th year and it just keeps getting better!
> Fairview, TX 30 mi NE of Dallas in Collin county EM13qe
> K2 #489      Icom IC-765 #2349     Icom IC-756 PRO  #2121
>
>
> robert k stephens wrote:
> >
> > Hi  George
> >
> > I'm wondering... Could the same thing be done using a K2 for the front
end
> > of a Jup/Peg?  Would that make a significant improvement?
> >
> > 73 & tnx
> > Bob KB1CIW
> > Scout
> > T-4
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