Re: RCA Modulation Transformers

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "S & J Young by way of Terry Fritz <teslalist-at-qwest-dot-net>" <youngs-at-konnections-dot-net>

Captain,

Just a guess.  Possibly there is another winding used to also modulate the
screen voltage of tetrodes?  Or, possibly used as some sort of monitoring
output?
--Steve Y.

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, May 25, 2003 3:49 PM
Subject: RCA Modulation Transformers


 > Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>"
<dhmccauley-at-spacecatlighting-dot-com>
 >
 > I just acquired a nice large RCA modulation transformer which I plan to
use
 > to modulate my plate voltage on my dual 833A
 > VTTC for audio modulation.
 >
 > The input side of the transformer has the one center-tapped winding which
 > the audio modulated push-pull tube circuit is fed into.
 > The output winding is where the plate voltage (now modulated) would wire
in
 > series with.
 >
 > However, there are three additional contacts (possibly another
center-tapped
 > winding) on the same side of the output side but smaller in
 > size than the output modulated winding.
 >
 > Anyone have an idea of what this winding was for???  This thing must be 70
 > years old at least, so I'm very doubtful any datasheets could be found on
 > this thing.
 >
 > Thanks
 >
 > The Captain
 >
 >
 >