Tube-number record
GI-7B (ГИ-7Б)
0 archive entries
GI-7B (ГИ-7Б) is a tube type in the TubeDatabase archive (class: Microwave Triode). Recorded specifications: construction Triode, base metal-ceramic, socket Coaxial, maximum plate voltage 9000 V, and maximum plate dissipation 350 W. The archive does not yet hold a photographed example of this type.
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
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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