Tube-number record
826
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BrandRCA
ClassTransmitting Triode
BaseSpecial / none
Construction
Primary TypeTriode
EnvelopeT-16
Sections1
Filament / Heater
MaterialThoriated Tungsten
Absolute Maximum Ratings
Plate Voltage1000 V
Plate Dissipation60 W
Grid 1 Voltage-500 V
Cathode Current125 mA
Audio Performance
Key Features
- Forced air cooling
- Thoriated tungsten filament
- Maximum frequency 250 Mc
- Center-tapped filament
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| R-F Power Amplifier - Class B Telephony | 1000 V | — | — | 31 | 65 mA |
| Grid-Modulated R-F Power Amplifier - Class C Telegraphy | 1000 V | — | — | — | 65 mA |
| Plate-Modulated R-F Power Amplifier - Class C Telephony | 800 V | — | — |
Application Notes
Forced-air cooling is necessary. At ultra-high frequencies, push-pull operation is recommended. Two grid and two plate terminals should be connected together to reduce lead inductance.
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