BTW 15-3
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BrandBrown Boveri
ClassTransmitting Triode
FilamentV @ mA
Construction
Primary Typetriode
Envelopeglass/metal
Sections1
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation22000 W
Grid 1 Voltage-1200 V
Cathode Current7000 mA
Audio Performance
Key Features
- Water-cooled anode
- Directly heated filament
- Thoriated tungsten cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class C HF RF Amplifier Unmodulated (Grounded Cathode) | 12000V | 40000 | - | 35 | 6700mA |
| Class B AF Power Amplifier and Modulator (per tube) | 12000V | - | - | 35 | 1200mA |
| Class C Anode-Modulated RF Power Amplifier (Carrier) | 10000V | - | - | 35 | 5800mA |
Application Notes
Applications include Broadcast RF and AF and industrial heating. Tube mounting position: vertical, anode downwards.
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