[ARC5] ARC-5 on 20 meters

[Dennis Monticelli]

What I especially like about the ARC-5 is it's natural ability to do
push-push doubling because of the center tapped secondary on the osc coil.
The ARC designers used it for neutralization but that function can be
eliminated in doubling service and the secondary re-purposed to
independently drive the 1625's in push-push for greater efficiency.

Dennis AE6C

On Thu, Dec 29, 2016 at 8:58 AM, David Stinson <arc5 at ix.netcom.com> wrote:

>
> ----- Original Message ----- From: "Dennis Monticelli" <
> dennis.monticelli at gmail.com>
>
> One thing I have been dying to try is to double in the PA...
>>
>
> I have had good success with BC-474 and BC-230
> WWII rigs doubling in the PA to reach 40 and 30 meters.
> The 474 required no modifications beyond bumping
> the receiver LO up a little to cover 40 CW- PA doubled without any
> "tweeks" in the TX.  I had a previously modified 5-6 MC coil for the BC-230.
> I left the Osc coil intact and rewound the PA coil.
> Worked great and I made many contacts with it.
> https://www.youtube.com/watch?v=MkA0W3MTM1I
>
> I've often thought about fiddling with or disconnecting
> the PA padder cap in an ARC-5 transmitter to
> see if I can get it to double to 30 or 20.  One of these days, if The Lord
> let's me hand around.
>
> 73 DE Dave AB5S
>
>
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