Re: solid state magnifier ---

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

Original poster: "Mike Depot by way of Terry Fritz <twftesla-at-qwest-dot-net>" <mike-at-ici-dot-net>

Have you considered using IGBTs instead of MOSFETs?

I thought the first two pages of this doc were interesting...
http://www.onsemi-dot-com/pub/Collateral/AN1541-D.PDF

Thoughts, anyone?

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, October 09, 2001 10:05 AM
Subject: Re: solid state magnifier ---


> Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<Pyrotrons-at-aol-dot-com>
>
> Thank you all for your comments and suggestions for the solid state stuff.
> And the hydrogen part is quite interesting too ; )
>
> To Robert H: Yes, 3055's do suck, my best friend Aron Koscho has always
used
> TV horizontal transistors instead. He gave several to me a long time
> ago......the suckers are rated 1500 volts. TO-3 case too. I'm guessing the
> RCA 40411 you're referring to is some type of horiz. output xstr also...
>
> This solid state stuff kicks some serious ***. As soon as I actually got
> some output from that base-driven resonator, I was thrilled, and really
was
> inspired to do more. A while back, Aron gave me four IRF840's........500V
-at-
> 14 amps or so, and I'm in the process of building a circuit around them.
The
> circuit is on Richie Burnett's website at:
>
> www.richieburnett.co.uk
>
> I breadboarded the TL494 (NTE replacement chip is NTE1729) and associated
> circuitry for it, the output looks great. I'm going to build the current
> amplifying part tomorrow (push-pull with TIP3055's and TIP42's......Richie
is
> using ZTX450's and ZTX550's but I'm hoping these xstrs will work since
they
> are NPN and PNP and have similar ratings......I'm hoping to "Americanize"
his
> original design)
>
> ; ( last night I killed the chip (5 bucks) when I accidentally shorted the
> output for about 3 seconds.....I knew when I heard that snapping/cracking
> sound the chip was toast. And it was ; (
>
> Anyhow, after the driver is finished I will attempt the MOSFET H-bridge.
Aron
> built Richie's half-bridge coil driver...........it's beautiful and works
> great....and now I know what cores (for the two isolation transformers) to
> use for MY circuit --- the ones HE used of course! I can't wait to get
this
> thing up and running.
>
> If you've never seen a SSTC operate before, you need to. It is a trip.
Quiet,
> powerful...and HOT. It looks like someone built a fire on top of the
> topload.......
>
> Check out the MPG on Richie's page......the output of his SSTC is melting,
> and burning, the tool steel from a screwdriver. Great video. Thanks Richie
> for the massive amount of information on your site. It has been my bible
for
> the past month or so for SSTC work. Alan Sharp also has some great stuff,
> although it's a little more complicated IMHO.
>
> Later,
>
> Justin Hays
> KC5PNP
> G-3 #1150
> Email: pyrotrons-at-aol-dot-com
> Website: www.hvguy-dot-com
>
>
>