Re: SSTC problem - not plasmasonic :-))

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

Original poster: Kreso Bukvic <kreso.bukvic-at-kc.htnet.hr> 

Quote

"LOL kreso you stole my joke about the plasma sonic :-)"

Dont sue me, please... :-).

Best Regards

Kreso Bukvic

If gotten where i had mistake evrything should work good now, too bad i
burned the chips bepfrei found the mistake ( maybe some of them are still
good) :-( and no UCC chips in Croatia. Well Terry will wory for that :-).

Best Regards

Kreso Bukvic
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Sunday, April 11, 2004 4:51 PM
Subject: Re: SSTC problem - not plasmasonic :-))


 > Original poster: "Jim Mitchell" <electrontube-at-sbcglobal-dot-net>
 >
 > LOL kreso you stole my joke about the plasma sonic :-)
 >
 > Anyway,  I had trouble with the UCC37322 when I tried to make the
microsstc
 > so long ago,  try using the TC4420,  also tie pin 3 to VDD through a .1uf
 > cap that might help.
 >
 > Regards - Jim Mitchell
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Saturday, April 10, 2004 7:43 PM
 > Subject: SSTC problem - not plasmasonic :-))
 >
 >
 >  > Original poster: Kreso Bukvic <kreso.bukvic-at-kc.htnet.hr>
 >  >
 >  > I have started building Steve Wards mini SSTC  ! Terry and John gave
the
 >  > parts. I made evrything until mosfet driver IC-s ( UCC37322/1's ) And
 > tried
 >  > to connect the power to see if the chips heat or somthing and UCC IC
 > popped
 >  > on one small hole puncturedon pin 4 ! I checked ALL wiring evrything
was
 > ok.
 >  > Again popped the chips. Now i toke a completly new IC and soldered only
 > the
 >  > power supply to it ( 12 V ) I used my handy, expensive, professional
bench
 >  > SPU ( obviously the problem was not here ) and soldered 4 wires (- to
pin
 >  > 4,5) (+ to pin 1,8) ana a capacitor 0.1 uF across the + and -. I tried
 >  > disconnecting the capacitor too but id didnot help a soon i connected
the
 >  > psu the IC acts as short circuit. Maximall current draw was set to 1 A
i
 >  > tried setting it to 100 mA so i do not burn the other IC-s but no help.
 >  >
 >  > Here is the setup until now. But any way the chips pop even without any
 >  > other wires connected except PSU.
 >  >
 >  > http://hot-streamer-dot-com/temp/miniSSTCsch3.jpg
 >  >
 >  > I hope Stewe wont mind me changing his shematics. Sory Steve
 >  >
 >  > Best Regards
 >  >
 >  > Kreso Bukvic
 >  >
 >  >
 >
 >
 >
 >