Re: audio modulated SSTC

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

Original poster: dhmccauley-at-spacecatlighting-dot-com 


Okay, I see.  So you have a low power type modulation transformer.
I got this real big one at home.  Good for at least a few kilowatts.


 > Dan,
 >
 > It would burn up! The modulation transformer is only designed to handle a
 > few hundred milliamps!
 > Impedance matching also becomes a very important factor in selecting
 > modulation transformers. The impedances are determined by the voltage and
 > current, are are vastly different in tube, and solid state circuits.
 >
 > Sue
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Friday, February 06, 2004 10:04 AM
 > Subject: Re: audio modulated SSTC
 >
 >
 >  > Original poster: dhmccauley-at-spacecatlighting-dot-com
 >  >
 >  > Sue,
 >  >
 >  > Once you get your SSTC back up and running, I would try using your
plate
 >  > modulator from your audio modulated VTTC and
 >  > feeding it into your SSTC full-bridge and see what kind of results you
 > get.
 >  > Of course, you'll have to turn the voltage down a bit on the
 >  > plate modulator.
 >  >
 >  > Dan
 >  >
 >  >
 >  >  > The best way to modulate anything is by varying the supply voltage
with
 >  > the
 >  >  > audio. You get the bet fidelity that way. I think your idea is
probably
 >  > the
 >  >  > best way to go, but I never worked with SCRs so I don't know how to
do
 > it.
 >  >  > The other way to do it is with a modulation transformer. That way
sucks
 >  >  > because not only are the transformers expensive and hard to get, but
if
 >  > you
 >  >  > want good fidelity they will be very heavy!
 >  >  >
 >  >  > The other effect of supply voltage modulation is that if you get
good
 > base
 >  >  > response, you will see huge streamers occur in time with the base! -
 > that
 >  > is
 >  >  > a really, really cool effect!
 >  >  >
 >  >  > Go for it!, and good luck!
 >  >  > Sue
 >  >
 >  >
 >
 >
 >
 >
 >