Tube-number record
GI-7B (ГИ-7Б)
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ClassMicrowave Triode
BaseCoaxial
Filament12.6 V @ 1.8 mA
Construction
Primary TypeTriode
Envelopemetal-ceramic
Base Materialmetal-ceramic
Sections1
Filament / Heater
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage9000 V
Plate Dissipation350 W
Grid 1 Voltage600 V
Cathode Current600 mA
Audio Performance
Key Features
- forced air cooling
- microwave frequencies
- centimetric and decimetric wavelength ranges
- continuous-wave or pulsed mode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| CW Amplifier/Oscillator | 1050 V | 23000 | — | 66.7 | 300 mA |
Application Notes
Available in two variants: GI-7B (with heat sink for forced air) and GI-70B (without heat sink for other systems).
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