RK-36
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BrandRaytheon
ClassTriode
BaseBayonet
Construction
Primary TypeTriode
EnvelopeHard glass
Base MaterialIsolantite
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation100 W
Cathode Current165 mA
Audio Performance
Key Features
- Thoriated tungsten filament
- Tantalum plate and grid
- Hard glass bulb
- Isolantite base
- Side cap for plate connection
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| R-F Power Amplifier or Oscillator - Class C - Telegraphy | 2000V | - | - | - | 150mA |
| R-F Power Amplifier - Class B - Telephony | 2000V | - | - | - | 75mA |
| R-F Power Amplifier - Class C - Grid Modulation | 2000V | - | - | - | 72mA |
| R-F Power Amplifier - Class C - Plate Modulation | 2000V | - | - | - | 150mA |
Application Notes
At least 150 volts of fixed bias should be used with 2000 volts on the plate to protect the tube in case of failure. The plate shows a light yellowish red color at maximum rated dissipation.
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