Tube-number record
RDSOVL
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RDSOVL is a tube type in the TubeDatabase archive (class: Coaxial transmitting triode). Recorded specifications: brand Tesla, construction Triode, base Kovar, socket Coaxial, maximum plate voltage 15000 V, and maximum plate dissipation 50000 W. The archive does not yet hold a photographed example of this type.
BrandTesla
ClassCoaxial transmitting triode
BaseCoaxial
Construction
Primary TypeTriode
EnvelopeHard glass/Metal
Base MaterialKovar
SectionsSingle
Filament / Heater
MaterialThoriated tungsten
Absolute Maximum Ratings
Plate Voltage15000 V
Plate Dissipation50000 W
Cathode Current4000 mA
Audio Performance
Key Features
- Coaxial design
- Self-supporting squirrel-cage cathode
- Low-loss hard glass envelope
- Ebullition cooling ribs
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF power amplifier / Oscillator | — | 70000 | — | 70 | — |
Application Notes
Intended for use as an RF power amplifier or oscillator in SW, TV, and VSW FM broadcast transmitters, and communication transmitters operating below 100 MHz.
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