Re: SSTC As a transmitter.

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

Original poster: "Gary Peterson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <glpeterson-at-tfcbooks-dot-com>

> Regenerative receivers work just fine, thank you.  As an afficienado of
> old radio stuff I have built a number and can operate a number of
> originals.  I'd use a slightly different explanation of how a regen
> receiver works.  The tube serves these three functions.
> 
> 1. It acts as a HIGH gain regenerative amplifier, with the gain
> approaching infinity just before oscillation.  If allowed to oscillate
> it also provides the heterodyne signal for detection of CW sigs.
> 
> 2. It acts as a grid detector.
> 
> 3. It acts as an audio amplifier of the detected signal.  This is the
> reason that pentodes make better regenerative detectors than triodes,
> with the optimum performance obtained by adjusting the feedback ratio so
> that maximum gain occurs at the operating point where the audio gain is
> the highest.  Of course, triodes and transistors work plenty well.
> 
> Try one - you'll like it!

Thanks, it's up there on my list.

Gary