TB 1/60
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BrandPhilips
ClassTriode
Construction
Primary TypeTriode
EnvelopeGlass
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage1250 V
Plate Dissipation50 W
Cathode Current120 mA
Audio Performance
Power Output110 W
Key Features
- Thoriated tungsten filament
- High frequency amplifier
- Oscillator
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| L.F. class B (two valves) | 1000V | 2000 | - | - | 80mA |
| H.F. class C telegraphy (two valves) | 1250V | - | - | - | 100mA |
| H.F. class B telephony (two valves) | 1250V | - | - | - | 56.5mA |
| H.F. class C anode modulation (two valves) | 1000V | - | - | - | 92mA |
Application Notes
Recommended for use as an oscillator or H.F. amplifier in transmitters. Maximum wavelength ratings provided: 2.5m at 1250V, 1.6m at 900V, and 1.0m at 650V.
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