RS 1828
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BrandSiemens
ClassTransmitter Triode
Construction
Primary Typetriode
Envelopemetal-ceramic
Sections1
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation250000 W
Grid 1 Voltage-800 V
Cathode Current70000 mA
Audio Performance
Key Features
- Vapor-cooled
- Integrated boiler
- Directly heated
- Coaxial construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Grounded cathode circuit | 11500V | 250000 | - | 100 | 40000mA |
| Grounded grid circuit | 11500V | 250000 | - | 100 | 40000mA |
Application Notes
Suitable for broadcast transmitters up to 350 kW medium and short wave. Requires vertical mounting with anode up.
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