Re: SSTC bridge driver

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

Original poster: "chris swinson" <exxos-at-cps-games.co.uk> 

Shaun,


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, February 01, 2004 12:57 AM
Subject: Re: SSTC bridge driver


 > Original poster: "Shaun Epp" <scepp-at-mts-dot-net>
 >
 > I've got the answer to the ringing problem.  SNUBBER circuit!  I use a 51



http://hot-streamer-dot-com/exxos/sstc/directdrive.htm

I'm sure im the only one whos actually read hours or testing and results on
my site!

Chris











 > ohm 1/4 watt resistor in series with a 1 nF capacitor. I put this combo
 > across the gate transformer outputs and it gives a good response.   On my
 > plasmasonic board I'm running at 240 khz and the ringing was about 13Mhz.
 >
 > I hope this helps,
 >
 > Shaun Epp
 >
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Saturday, January 31, 2004 12:31 PM
 > Subject: Re: SSTC bridge driver
 >
 >
 >  > Original poster: herwig.roscher-at-gmx.de
 >  >
 >  >
 >  > gtyler-at-drummond-dot-org.za wrote:
 >  >
 >  >  > to use a small (10-25mm ) ferrite toriod.I do this all the time with
no
 >  >  > ringing problems, you always need a series gate resistor to stop
 >  >  > parasitic oscillations though.
 >  >
 >  > George,
 >  >
 >  > I am using the F-114A-77 ones, Dan McCauley has recommended. They
 >  > work without problems until now (knock at wood), but there is a
 >  > certain amount of ringing - despite I am using 15 Ohm gate resistors.
 >  >
 >  > Cheers,
 >  >
 >  > Herwig
 >  >
 >
 >
 >
 >