Tube-number record
3J/160E
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BrandStandard Telephones and Cables
ClassAir-Blast-Cooled U.H.F. Triode
Construction
Primary TypeTriode
EnvelopeGlass/Metal with cooling radiator
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation1000 W
Audio Performance
Key Features
- Air-Blast-Cooled
- U.H.F. Operation
- Thoriated tungsten filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class B Telephony (Modulated carrier applied to grid) | 2000 V | 14615 | 1300 | 19 | 700 mA |
| Class C Power Amplifier (Anode subject to modulation) | 2000 V | — | — | — | 750 mA |
| Class C Power Amplifier or Oscillator (Unmodulated) | 3000 V | — | — | — | 1000 mA |
Application Notes
Class B and Class C operation for telephony and unmodulated power amplification/oscillation.
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