B319
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BrandMarconi
ClassR.F. Double Triode
BaseB9A
Filament7.4V @ 0.3mA
Construction
Primary TypeDouble Triode
EnvelopeTubular
Sections2
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Cathode Current18 mA
H-C Voltage250 V
Audio Performance
Key Features
- Separate cathodes
- Cascode RF amplifier
- Frequencies up to 250 Mc/s
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Cascode RF Amplifier | 90V | 6000 | 4000 | 24 | 12mA |
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