[ARC5] What the heck is a "1/2 harmonic Q-5er?

[Bob Groh]

Jeep, do you have a pdf copy of that article that you could share?  Sound's
interesting although the idea of tuning the BC-453 to 1/2 the BC-348's IF
minus 50 kHz is a bit mystifying.

73, Bob WA2CKY

On Sat, May 9, 2020 at 10:09 AM Doran Platt <jeepp at comcast.net> wrote:

> Bob,
> Yes, the concept was written up in ER magazine by Joe, WA3EJT.  I simply
> loop couple the Q-5er to the last IF of the BC-348 and tune the LF receiver
> to 1/2 the IF of the BC-348 minus 50 kHz.  I adjust the variable IF cans in
> the LF receiver to about 1/2 down and all works really well.  The BC-348
> becomes entirely usable in crowded conditions.
> Jeep K3HVG
>
> On May 9, 2020 at 10:28 AM Bob Groh <bob.groh at gmail.com> wrote:
>
> Just caught K3HVG's recent email in which he mentions wanting a BC-453 or
> R-23 for a "...1/2 harmonic Q-5er for BC-348...". I am certainly familiar
> with using the BC-453 as a tunable IF for other receivers and rather
> suspect this is a variation of that (the BC-348 has, I believe, a 915 kHz
> IF).  The "1/2-harmonic" thingie does intrigue me!!
>
> Thanks for the bandwidth.
>
> 73
> Bob Groh, WA2CKY
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