Tube-number record
808
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ClassTriode
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage2000 V
Plate Dissipation75 W
Grid 1 Voltage-400 V
Cathode Current150 mA
Audio Performance
Power Output300 W
Key Features
- High-mu triode
- Transmitting tube
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier Class C CCS | 1500 V | 2000 | — | 47 | 125 mA |
| RF Power Amplifier Class C ICAS | 2000 V | 2000 | — | 47 | 150 mA |
Application Notes
Commonly used in RF power amplifiers and modulators.
Datasheets
Datasheet: 808.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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