RE: [TCML] spark gap substitute...?

[johnbrooks@xxxxxxxxxxx]

A verry good post Gary Lau,,,master the old first,Always good advice.
Joe in Texas

On Wed, 27 Jan 2010 15:55 +0000, "Lau, Gary" <Gary.Lau@xxxxxx> wrote:
> Just know that building any kind of solid state circuit will be at least
> 100 times more complex than building a good spark gap.  It's pretty easy
> to trouble shoot a spark gap problem - not so with solid state stuff.  I
> strongly urge you to master spark gap technology before attempting to
> build a solid state TC.
> 
> Regards, Gary Lau
> MA, USA
> 
> > -----Original Message-----
> > From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> > Behalf Of Christopher Karr
> > Sent: Wednesday, January 27, 2010 10:44 AM
> > To: Tesla Pupman List
> > Subject: RE: [TCML] spark gap substitute...?
> > 
> > 
> > Daniel,
> > 
> > 
> > 
> > What you are describing is, essentially, an SSTC, or solid-state Tesla coil. The
> > function of which is based on an input signal of a lower power than what you are
> > getting through the transistor or, in this case, SCR. The modulation of a SSTC can
> > be very complex when attempting to avoid destroying the driver circuitry. My
> > recommendation is to build a driver from Steve Ward's web site (steve.4hv.org) or
> > build a SISG. The sidac spark gap is designed to replace the common, dielectric-
> > breakdown spark gap with a solid-state spark gap with a very high voltage rating to
> > allow for use of small NSTs and MOTs or low-voltage PTs.
> > 
> > 
> > 
> > Wishing you the greatest of luck,
> > 
> > Christopher Karr
> > 
> > > Date: Tue, 26 Jan 2010 20:11:19 -0800
> > > From: leedanieljoseph@xxxxxxxxx
> > > To: tesla@xxxxxxxxxx
> > > Subject: [TCML] spark gap substitute...?
> > >
> > > Hello all,
> > >
> > > I'm having difficulty getting my stationary spark gap to work properly. I
> > > am wondering; is it possible to use an optocoupler (triggered by a 555 timer
> > > or maybe a function generator) to trigger a pair of massive SCRs to imitate
> > > the function of a spark gap?
> > > The biggest SCRs I've seen can handle 1kv (probably rated in DC, but i'm not
> > > sure), so it couldn't be too big of a coil. I'm just wondering if this
> > > would work or if I'm missing something obvious.
> > >
> > > Thanks,
> > > daniel
> 
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