 Future VTTC teaser
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Mads Barnkob
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Sat Oct 04 2008, 07:49PM
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Registered Member #1403
Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
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Here is a couple of shots of my QB5/2000 tube, got the filament transformer yesterday so it was about time to test the transformer and tube. I got the socket from the "local" hongkong ebay seller :D
Transformer is rated 7.5V / 32A, its from an old Phillips stove.
QB5/2000 specifications (datasheet max values)
filament 7.5V / 22.6A
frequency 30MHz
Anode voltage 5.5kV
Anode dissipation 800W
Anode input power 3.5kW
Anode current 700mA
Grid 2 voltage 800V
Grid 2 dissipation 120W
Grid 1 voltage -500V
Grid 1 current 35mA
Planning to run it using 2 mots with levelshifter, controlled by a variac, and thats about the plans so far. I will need to plan a heavy frame for this build, all that transformer iron weighs down real good :D
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MRacerxdl
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Registered Member #989
Joined: Sat Sept 08 2007, 02:15AM
Location: São Paulo, Brazil
Posts: 476
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WoW! That is a valve to do big arcs.
and burn some filament transformers. 22A o.O
Good luck with the VTTC!
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