Tube-number record
RD3XL
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BrandTESLA
ClassCoaxial transmitting triode
BaseCoaxial
Construction
Primary TypeTriode
EnvelopeMetal-glass
Base MaterialCopper/Aluminum
SectionsSingle
Filament / Heater
Materialthoriated tungsten
Absolute Maximum Ratings
Plate Voltage20000 V
Plate Dissipation3000 W
Audio Performance
Key Features
- Air-cooled
- Coaxial electrodes
- OFHC copper anode
- Aluminum radiator
- Forced air cooling
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Characteristic Data | — | 40000 | — | 75 | — |
Application Notes
The tube TESLA RD3XL is an air-cooled triode of 3 kW anode dissipation, intended for use as a recuperative amplifier, oscillator or RF power amplifier in SW transmitters especially for broadcasting.
Datasheets
Datasheet: RD3XL.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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