Re: Super Small SSTC

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

Original poster: "Jim Mitchell" <Electrontube-at-sbcglobal-dot-net> 

That's not true,  SSTCs are INDEED Tesla coils.  They are air cored resonant
transformers which produce an electrical discharge.

The new generations of SSTCs also HAVE tank capacitors,  so how would you
classify those?

Regards - Jim Mitchell
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, July 19, 2004 10:02 AM
Subject: Re: Super Small SSTC


 > Original poster: "Antonio Carlos M. de Queiroz" <acmdq-at-uol-dot-com.br>
 >
 > Tesla list wrote:
 >  >
 >  > Original poster: FIFTYGUY-at-aol-dot-com
 >
 >  >      And how is that different from a Tesla Magnifier? Does the RF
power
 >  > source have to be an inductively-coupled resonant circuit to make a TC
a TC?
 >  > Wouldn't that exclude some simple SSTC's?
 >
 > A magnifier is a Tesla coil with a third coil connected between the
 > top of the secondary coil and the capacitive terminal. It's a
 > capacitor-discharge system, as a Tesla coil.
 > "SSTCs" are -not- Tesla coils, although Tesla tried some experiments
 > in this direction too, the systems are similar, and the name can be
 > extended, as long as we know about what we are talking.
 >
 >  >      So what *IS* the exact definition of a Tesla Coil these days?
 >  >      If I was to arbitrarily define a TC as:
 >  >
 >  >      "A device designed to produce high-voltage alternating-current
 > discharges
 >  > from a low-voltage power source by exciting the resonant mode of the
output
 >  > stage,"
 >  >
 >  >      that includes every topology I can think of. Including flybacks
(if
 > they
 >  > are used to make sparks).
 >
 > A Tesla coil is, precisely, only the system composed of a transformer
 > with
 > capacitive loads at both sides, that transfers energy initially stored
 > in
 > the primary capacitor to the secondary capacitance.
 > "Flybacks" are closer relatives to "induction coils", where the initial
 > energy is stored in the primary inductor. Also, these systems are
 > usually
 > designed without regard to the resonances of the system, although they
 > can be designed to operate in multiple resonance mode too.
 >
 > SSTCs and other similar devices that use active elements to drive a
 > resonant circuit are closer relatives to CW radio transmitters.
 >
 > Antonio Carlos M. de Queiroz
 >
 >
 >