GS-9B
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ClassMicrowave Triode
BaseCoaxial leads
Filament11.7V @ 1mA
Construction
Primary TypeTriode
Envelopemetal-ceramic
Base Materialmetal
SectionsSingle
Filament / Heater
Materialoxide-coated
Warm-up Time90s
Heater NotesIndirectly heated
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation300 W
Grid 1 Voltage50 V
Cathode Current330 mA
Audio Performance
Power Output40 W
Key Features
- forced air cooling
- continuous operation
- decimetric wavelength range
- external-feedback oscillator compatible
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF generation (continuous) | 1300V | 19500 | - | 111 | 120mA |
Application Notes
The triode is available in two variants: GS-9B with heat sink for forced air cooling, and GS-90B (FC-90B) without heat sink for other cooling systems.
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