8083
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BrandGeneral Electric
ClassHigh-mu triode
BaseCeramic-and-metal planar mounting
Filament6.3V @ 240mA
Construction
Primary TypeTriode
EnvelopeCeramic-and-metal planar
SectionsSingle
Filament / Heater
Heater NotesHeater voltage tolerance +/- 0.3V
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation1.1 W
Grid 1 Voltage50 V
Cathode Current11 mA
H-C Voltage50 V
Audio Performance
Key Features
- High-mu triode
- Ceramic-and-metal planar construction
- Intended for RF amplifier service into UHF range
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Amplifier | 150V | 10500 | 9000 | 94 | 7.2mA |
Application Notes
One method of mounting the 8083 is to use a stainless-steel 'T' bolt to attach the mounting base of the tube to a chassis or circuit board. Torque used to tighten the nut should not exceed 3 inch-pounds. Grid-circuit resistance may be calculated using (10000 + 100 RK + 10 RL) ohms.
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