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Mads - as far as I can see - he is using the thyratron just as a normal triac (both implemented as cathode modulation) or I missed something - this is why I asked.
Registered Member #1275
Joined: Wed Jan 30 2008, 09:33AM
Location: Russia, Kazan
Posts: 17
Dr. H. wrote ...
Mads - as far as I can see - he is using the thyratron just as a normal triac (both implemented as cathode modulation) or I missed something - this is why I asked.
Exactly. I use thyratron as a triac (installed in the cathode circuit).
Registered Member #1275
Joined: Wed Jan 30 2008, 09:33AM
Location: Russia, Kazan
Posts: 17
Frames of both units are made. Generator unit and power supply unit. Frames are welded from 4mm steel. Both frames are equipped with wheels for comfortable movement.
Registered Member #195
Joined: Fri Feb 17 2006, 08:27PM
Location: Berkeley, ca.
Posts: 1111
it is great you plan to make it permanent. I also have one GU-39B-1 have you tried modulating the grid? At some point I would like to do this project. However I don't want to do the standard Armstrong oscillator but modulate the grid with a h-bridge that is fed by the feed back coil
Registered Member #1275
Joined: Wed Jan 30 2008, 09:33AM
Location: Russia, Kazan
Posts: 17
No, I have not tried modulating the tube on a grid. The standard VTTC scheme is chosen because of its simplicity. In the meantime, I began to estimate out the layout of the circuit elements.
Registered Member #1275
Joined: Wed Jan 30 2008, 09:33AM
Location: Russia, Kazan
Posts: 17
Hi! I continue to assemble the generator unit. The filament circuit and the cathode bypass battery are mounted. A current transformer is installed in the filament circuit to measure the heating current. The circuit was successfully checked.
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"LightningStorm" vacuum tube Tesla coil project
