[ARC5] Transmitter in 1950's F. Collins Radio Amateur's Handbook

[Dennis Monticelli]

I have often thought about building a variation on this same transmitter
with the 829B.

Dennis AE6C


On Thu, Dec 12, 2013 at 11:34 AM, Fuqua, Bill L <wlfuqu00 at uky.edu> wrote:

>   When I was a kid our library had a copy of the "Radio Amateur's
> Handbook" By Fredrick Collins.
> There were 3 transmitter designs in it, a single tube 6L6, two tube 6L6
> and my  favorite a
> 70 Watt output 80-10 meter AM/CW transmitter using a 829B final.
>   This was a single 6L6 driving the 829B with the grids in push-pull.
> Screen modulated
> using a 6V6  and carbon microphone but the plates were in parallel. Ok,
> perhaps
> the output stage was a doubler but there was no hint that it was, in fact
> the plans specified
> B&W 80-10 meter grid and plate coils.
>   I want to some day build this transmitter but would either have to
> parallel the inputs or
> operate the output stage as a push-push doubler. If the screen grids were
> independently wired
> to the base you could modulate them in push-pull and have a high level
> balanced modulator for
> DSB, suppressed carrier.
>   73
> Bill wa4lav
> ______________________________________________________________
> ARC5 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/arc5
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:ARC5 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>