Re: Flyback Driver PCBs

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

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

No I'm using a half bridge of N-ch mosfets.  I know the design works,  I've
been killing flybacks with it all day.  SO I know it works.  I had a driver
like Aron's, but I decided I wanted a lot more power and the ability to
drive any type of high frequency transformer (within reason)

Regards - Jim Mitchell

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, April 12, 2004 6:06 PM
Subject: Re: Flyback Driver PCBs


 > Original poster: "Eastern Voltage Research Corporation"
<dhmccauley-at-easternvoltageresearch-dot-com>
 >
 > Sounds like a good idea.  However, i would recommend you post your
schematic
 > before ordering boards.  You have a large community of
 > knowledge here, and its good to have all us review a design prior to see
if
 > there are any problems.  Also, many will want to see what they would
 > be getting before placing an order.
 >
 > Are you using a half-wave arrangment for a flyback driver like on Justin's
 > website here:
 > http://dave.golfbuddys-dot-com/hvguy/new/FBdriver/schematic.GIF
 >
 > Dan
 >
 >
 >  > Hello List:
 >  >
 >  > After the recent sucsess of my SSTC boards, and my recent
experimentation
 >  > with a high powered flyback driver,  I have decied I'd like to have
some
 >  > flyback driver boards made.
 >  >
 >  > The boards would be custom 2 sided boards,  utilizing a half bridge of
 >  > MOSFETs or IGBTs,  and a variable oscillator and gate drive section.
This
 >  > would work wonders as a flyback driver and as a GP high frequency
 > generator
 >  > for different experiments.
 >  >
 >  > The board would use a TL494 oscillator, that way the duty cycle and
 >  > frequency would be variable.
 >  >
 >  > I recently built an identical flyback driver and it works very good,  I
am
 >  > able to drive flybacks with half wave AC up to 150v or until they start
to
 >  > break down from overvoltage (about 50v in)  and I have been able to get
2"
 >  > sparks from a single small flyback (a new style DC one).
 >  >
 >  > Anyway if there is any interest in these please let me know and I will
 > send
 >  > word to have them made.  I have already designed the board and things
seem
 >  > to look good.
 >  >
 >  > Regards - Jim Mitchell
 >  >
 >  >
 >  >
 >  >
 >  >
 >
 >