Tube-number record
8906
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BrandEIMAC
ClassPlanar Triode
BaseCoaxial
Filament6 V @ 1000 mA
Construction
Primary TypeTriode
EnvelopeCeramic/Metal
Base MaterialCeramic/Metal
Sections1
Filament / Heater
MaterialOxide Coated, Unipotential
Warm-up Time60s
Heater NotesUnipotential cathode
Absolute Maximum Ratings
Plate Voltage2500 V
Plate Dissipation10 W
Grid 1 Voltage-150 V
Cathode Current150 mA
Audio Performance
Key Features
- Rugged ceramic/metal planar construction
- Low heater power requirement
- Arc resistant extended interface cathode
- High transconductance
- Conduction and convection cooling
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grounded Grid CW RF Power Amplifier | 630 V | 38000 | — | 80 | 140 mA |
| Grounded Grid CW RF Oscillator | 1000 V | — | — | 80 | 140 mA |
Application Notes
Designed for use as CW, grid- or plate-pulsed oscillator or frequency multiplier up to 3 GHz, or pulse modulator/voltage regulator service.
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