F-320-B
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BrandFederal Telephone and Radio Corporation
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass/Metal
Sections1
Filament / Heater
MaterialPure Tungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation10000 W
Grid 1 Voltage-3000 V
Cathode Current1500 mA
Audio Performance
Power Output24000 W
Key Features
- Water cooled anode
- Pure tungsten filament
- Ratings apply up to 4 megacycles
- Interchangeable with 220-C
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Audio-Frequency Power Amplifier and Modulator - Class B | 13500V | - | 12000 | 40 | 2500mA |
| Plate-Modulated RF Power Amplifier - Class C Telephony | 9000V | - | - | 40 | 760mA |
| RF Power Amplifier and Oscillator - Class C Telegraphy | 10000V | - | - | 40 | 1500mA |
Application Notes
Designed for use as an RF amplifier, oscillator or Class B modulator.
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