4618
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BrandRCA
ClassBeam Power Tube
BaseConcentric Terminal Surfaces
Filament5.5V @ 17300mA
Construction
Primary TypeBeam Power
EnvelopeCeramic-Metal (Cermolox)
Base MaterialMetal
SectionsSingle
Filament / Heater
Heater NotesMatrix-Type Oxide-Coated Unipotential Cathode
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation1500 W
Grid 2 Voltage1000 V
Grid 1 Voltage-300 V
Cathode Current1000 mA
Audio Performance
Key Features
- CERMOLOX construction
- Forced-air cooled
- Matrix-type cathode
- 1350 Watts CW Power Output at 600 MHz
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB1 Single-Tone (Up to 60 MHz) | 2250V | - | 1100 | 12.3 | 900mA |
| Class C Telephony Grid-Drive (600 MHz) | 2500V | - | - | - | 900mA |
| Class C Telegraphy/FM (600 MHz) | 2000V | - | - | - | 830mA |
Application Notes
For use at frequencies up to 1215 MHz as a Linear RF Power Amplifier in Single-Sideband, Plate-Modulated RF Power Amplifier, or Class C Telegraphy/FM.
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