Re: SSTC bridge driver

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

Original poster: "gtyler" <gtyler-at-drummond-dot-org.za> 

Drive transformers can be quite difficult the make, the easiest is 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

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, January 30, 2004 8:47 PM
Subject: SSTC bridge driver


 > Original poster: herwig.roscher-at-gmx.de
 >
 >
 > List,
 >
 > Driving SSTC bridges with very steep pulses offers many advantages,
 > but SSTC coilers claim, that this "rings the heck out of everything".
 >
 > Most driver circuits I have seen, employ pulse transformers to
 > control the powerMOSFETs and these create a lot of ringing.
 >
 > Why are no high-side-drivers used in this place? To small drive
 > current / to slow / to expensive / ..... ??
 >
 > Could somebody please enlighten me?
 >
 > Cheers,
 >
 > Herwig
 >
 > ---------------------------------------
 > Greed is the root of all evil!
 > ---------------------------------------
 >
 >
 >