Tube-number record
GI-39B
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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
Plate Dissipation440 W
Grid 1 Voltage1000 V
Cathode Current16000 mA
Audio Performance
Key Features
- Metal-ceramic construction
- Ring leads
- Forced air cooling
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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