Re: feedback SSTC trouble

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

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

I think your primary is reversed,  try swapping the connections to the
primary, this should give correct feedback to the gate drive IC.

Regards - Jim Mitchell
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, March 08, 2004 3:10 PM
Subject: feedback SSTC trouble


 > Original poster: Fucian-at-aol-dot-com
 >
 > Hey,
 > I just built the micro SSTC on steve wards site...Im having alot of
trouble
 > with it...It is now putting out a TINY(micro) spark...Its about half a
 > centimeter long...It was continiuos but now it is pulsing on and off
slowly
 > and speeds up when i get close to it...Is my 4420 bad?The only thing that
 > gets hot is the MOSFET, the 4420 and 555 are ice cold...Im giving it
almost
 > 30 volts DC filtered with 4400uF...What could cause it to pulse liek
 > that?What could i do to get better output?My primary is really
 > crappy...22awg stranded wire(all i had) and the secondary is pretty
 > big...4in diam. and about 13in long with 28awg wire...
 >
 > Thanks!
 > Matt
 >
 >