Hello John,
Here is a link to a circuit I've added to the Scout/Argo radios, it will
surely work with the Argosy, too.
http://www.radiotipsandtales.com/argo_dsp.htm
http://www.radiotipsandtales.com/wyo.htm
I've used opto-couplers a lot and they work well around RF.
73 - Glenn AE0Q
On Fri, Apr 15, 2011 at 8:34 PM, John Farler <k4avx1@windstream.net> wrote:
> I want to try my Argosy 525 with an external amplifier for a little
> more power.
>
> Looking at the detailed block diagram on the back of the pull-out
> in the manual, it a T/R relay assembly 80853 going to the center
> RCA jack of the 3 spare jacks on the back of the rig.
>
> There is no such assembly listed in the manual, and no diagram
> of such an assembly, as far as I can tell. I vaguely recall there
> might have been an accessory to use here with a built in relay,
> or some way to add one.
>
> Obviously, if it was an add-on option there's not chance of finding
> one. But I wonder if someone has the information, and call give
> me a circuit for adding one? I haven't had the rig apart, but that
> is the next step.
>
> Can someone help with the circuitry to add the Amplifier relay?
>
> Thanks,
> 73,
> John Farler
> K4AVX
>
--
"Remember, any tool can be the right tool!" Red Green
AE0Q ex: GM5BKC, ZB2WZ, V31RY, SV0WY, WA0VPK
ae0q@arrl.net --SOWP 5558-M, ARRL LM, QCWA LM, OOTC, NCVA--
http://www.radiotipsandtales.com
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