Re: audio modulated SSTC - Rail Modulation

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

Original poster: "Brian" <ka1bbg-at-webryders-dot-net> 

Hi, for low impedance drive, transformer from UPS's some are 12 volt,18 volt
and higher voltage. usually plenty of watts to work with. other inverter
transformers from battery equipment also work well. cul brian f.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, February 06, 2004 6:33 PM
Subject: Re: audio modulated SSTC - Rail Modulation


 > Original poster: "June Heidlebaugh" <rheidlebaugh-at-desertgate-dot-com>
 >
 > David: I have used filament transformers and high voltage transformers in
 > reverse as modulation transformers driven with a good audio amp.
 >     Robert   H
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Friday, February 06, 2004 11:59 AM
 > Subject: Re: audio modulated SSTC - Rail Modulation
 >
 >
 >  > Original poster: humanb-at-chaoticuniverse-dot-com
 >  >
 >  > Dan, all, can anyone describe how a Plate Modulation
 >  > transformer is made? Would it be possible to make one?
 >  > Turns ratios, inductance, reactance? It seems the lower
 >  > voltage of the SSTC's may make it easyer than having to
 >  > work with the high voltage of a Tube's plate supply.
 >  > There are many nice designs for simple high power amps
 >  > (thanks to some great IC's).
 >  >
 >  > David Trimmell
 >  >
 >  >
 >  > On Thu, 5 Feb 2004 21:08:43 -0500,
 >  > dhmccauley-at-spacecatlighting-dot-com wrote:
 >  >
 >  >  >
 >  >  >
 >  >  > Dave,
 >  >  >
 >  >  > You can do this just as in a tube modulated supply.
 >  >  > Just need a modulation transformer and a push-pull
 >  >  > audio transformer to
 >  >  > drive it with high enough voltage.
 >  >  > You can use either tubes or solid state devices.
 >  >  >
 >  >  > Then just feed this into a solid state full-bridge
 >  >  > circuit and chop it up.
 >  >  > Should work great.
 >  >  >
 >  >  > PERHAPS SUE GAETA (did i get your attention Sue?) can
 >  >  > lower the voltage on
 >  >  > her plate modulator and feed that into her SSTC
 >  >  > full-bridge circuit!!!
 >  >  >
 >  >  >
 >  >  >
 >  >  > Dan
 >  >  >
 >  >  >
 >  >  >
 >  >  > > Can someone show me with a schematic how one would
 >  >  > > modulate the rails? A simple diagram would help me
 >  >  > > immensely.
 >  >  > >
 >  >  > > Thanks,
 >  >  > >
 >  >  > > David Trimmell
 >  >
 >  >
 >
 >
 >