TRANSMITTER TETRODE
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BrandSiemens
ClassTransmitting Tube
BaseCoaxial
Construction
Primary TypeTetrode
EnvelopeMetal-Ceramic
Base MaterialMetal
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation90000 W
Grid 2 Voltage1500 V
Grid 1 Voltage-350 V
Cathode Current35000 mA
Audio Performance
Key Features
- Coaxial metal-ceramic tetrode
- Integrated cooling jacket
- Thoriated tungsten cathode
- High power RF amplification up to 220 MHz
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF amplifier, class B operation, grounded control-grid screen-grid circuit | 10000V | 75000 | 550 | 6 | 8800mA |
| Pulse operation, grounded control-grid screen-grid circuit (Mode 1) | 13500V | 75000 | 480 | 6 | 17600mA |
Application Notes
Particularly suitable for RF amplifiers up to 220 MHz. Axis vertical, anode up or down. Cooling water inlet max pressure 6 bar.
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