F-5604
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BrandFederal Telephone and Radio Company
ClassPower Triode
Construction
Primary TypeTriode
EnvelopeGlass
Sections1
Filament / Heater
MaterialPure Tungsten
Absolute Maximum Ratings
Plate Voltage12500 V
Plate Dissipation10000 W
Grid 1 Voltage-2000 V
Cathode Current12400 mA
Audio Performance
Power Output36000 W
Key Features
- Heavy wall anode
- Forced-air cooled
- Pure tungsten filament
- Ruggedly constructed
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Radio-Frequency Power Amplifier and Oscillator Class C Telegraphy | 12000V | - | - | 19.5 | 2500mA |
| Audio-Frequency Power Amplifier and Modulator Class B (2 tubes) | 12000V | - | - | 19.5 | 4500mA |
| Plate-Modulated RF Power Amplifier Class C Telephony | 10000V | - | - | 19.5 | 1400mA |
Application Notes
Operation at 45 megacycles is permissible with plate voltage and input reduced to one-half maximum ratings. High frequency operation above 15 Mc may require additional airflow on dish center.
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