RD20VL
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BrandTesla
ClassTransmitting Triode
BaseCoaxial Ring
Construction
Primary TypeTriode
EnvelopeGlass-Metal
Base MaterialKovar
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage12000 V
Plate Dissipation20000 W
Audio Performance
Key Features
- Coaxial electrodes
- Self-supporting squirrel-cage cathode
- Ebullition cooling
- OFHC copper anode
- Kovar contact rings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier | - | 45000 | - | 45 | - |
Application Notes
Intended for use as oscillator or RF power amplifier for SW FM broadcast transmitters and for telecommunication equipment operating at frequencies up to 100 MHz.
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