Tube-number record
GI-39B
0 archive entries
GI-39B is a tube type in the TubeDatabase archive (class: Pulse Generator Triode). Recorded specifications: brand Soviet, construction Triode, socket Flexible / flying leads, maximum plate voltage 20000 V, and maximum plate dissipation 440 W. The archive does not yet hold a photographed example of this type.
BrandSoviet
ClassPulse Generator Triode
BaseFlexible / flying leads
Filament12.6 V @ 3400 mA
Construction
Primary TypeTriode
EnvelopeMetal-ceramic
Sections1
Filament / Heater
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage20000 V
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulse Generation | 20000 V | 31500 | — | — | 16000 mA |
Application Notes
The GI-39B triode generates and amplifies RF oscillations in pulsed operation with anode modulation.
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