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Forums
4hv.org :: Forums :: Tesla Coils
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is it possible to make a tesla with ...
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Duality
Mon Feb 02 2009, 08:40PM Print
Duality Registered Member #1951 Joined: Sun Feb 01 2009, 01:59PM
Location:
Posts: 105
 		is it possible to make a tesla that only works on a feedback and a primairy.
with no ic's? and just 1 mosfet?
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Arcstarter
Mon Feb 02 2009, 08:51PM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
 		It is possible, but very inefficient and sparks will be limited.
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Tom540
Mon Feb 02 2009, 09:48PM
Tom540 Banned on 3/17/2009.
Registered Member #487 Joined: Sun Jul 09 2006, 01:22AM
Location:
Posts: 617
 		I imagine it would be setup like a joule thief circuit.
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Shaun
Mon Feb 02 2009, 10:13PM
Shaun Registered Member #690 Joined: Tue May 08 2007, 03:47AM
Location: New Jersey, USA
Posts: 616
 		Or possibly something similar to the 2N3055 flyback driver, I wonder.
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Arcstarter
Tue Feb 03 2009, 04:21AM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
Shaun wrote ...

Or possibly something similar to the 2N3055 flyback driver, I wonder.
Reaching once posted a schematic much like this, almost exactly the same.

I would still suggest something better though, if you want a good sstc try Steve Wards Mini Sstc.
Link2
About the simplest a good sstc can get. use the schematic on the bottom of the page.
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MRacerxdl
Tue Feb 03 2009, 07:33AM
MRacerxdl Registered Member #989 Joined: Sat Sept 08 2007, 02:15AM
Location: São Paulo, Brazil
Posts: 476
 		One time, when I was going to build my first DRSSTC with IRG4PC50UD I found over the internet a DRSSTC that uses a halfbridge of IRG4PC50UD and two feedbacks connected direct to the IGBT Gate-Emitter. and on the power supply was a SCR and an other IRG4PC50UD. The SCR was to make a the BPS and the IRG4PC50UD was for shutdown for the overcurrent.

I can find the schematic right now, but there arent many coils with irg4pc50ud, you can search over the internet and see if you find, you can also use the schematic as a normal sstc.
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LithiumLord
Tue Feb 03 2009, 09:34AM
LithiumLord Registered Member #1739 Joined: Fri Oct 03 2008, 10:05AM
Location: Moscow, Russia
Posts: 261
 		In fact, there was an old dumb concept - just rig the primary through a PNP or NPN and use the base terminal as the secondary ground. Sparks will be short of course, also the heating level is very high - but lol, it's a real single-part SSTC :) (never tried myself however, but I guess it should work, at least some have tried it out with positive results).

(offtopic @Arc - hehe, seen your sig in original, way less happy, interpretation :D)
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Duality
Tue Feb 03 2009, 01:30PM
Duality Registered Member #1951 Joined: Sun Feb 01 2009, 01:59PM
Location:
Posts: 105
 		thanks all :)

i am going to search for all the things that are given :)
got still one question,
i wanted to build Steve ward's schematic but those gate driver ic's i cant get :(
is there a solution to this?
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Arcstarter
Tue Feb 03 2009, 04:34PM
Arcstarter Registered Member #1225 Joined: Sat Jan 12 2008, 01:24AM
Location: Beaumont, Texas, USA
Posts: 2253
R v.d. Tuuk wrote ...

thanks all :)

i am going to search for all the things that are given :)
got still one question,
i wanted to build Steve ward's schematic but those gate driver ic's i cant get :(
is there a solution to this?
Link2
Link2

Those are simple :).

PS @LithiumLord, what did you mean?
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