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Vacuum tube tesla coil build help.

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LAN_403

Bud

Tue Feb 28 2017, 02:17PM

Registered Member #54930 Joined: Tue Apr 28 2015, 01:38PM
Location: pittsfield ohio
Posts: 25

Hi all, The picture below is of the primary tube completely covering the secondary. I have a YU-108 tube that needs a 700 volt @ 1 amp max. bias control to oscillate the tube. I cannot get enough drive power with a tickler coil to do start oscillation. I need to know if there is a IGBT or Mosfet that can work at 350- 360 kHz. and 700v at 1 amp. I am considering driving this with a signal generator or one of Steve's driver boards. Or is there another route I can take?

I have tried modifying my other VTTC with a large coil around the secondary and there is enough power but the tuning is way complex.

Any help would be appreciated.

1488291273 54930 FT0 Vttc With Drive Coil Over Secondary

woodchuck

Tue Feb 28 2017, 10:05PM

Registered Member #39190 Joined: Sat Oct 26 2013, 09:15AM
Location: Boise National Forest
Posts: 65

There are surely other choices these days. But even 15 years ago, the BUZ80A would have met those requirements.

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