Tube-number record
F 4066
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BrandCSF
ClassTraveling Wave Tube
BaseSpecial / none
Filament6.3 V @ 2300 mA
Construction
Primary TypeOther / special
EnvelopeGlass/Metal
Base MaterialMetal
Sections1
Filament / Heater
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage2600 V
Grid 2 Voltage1800 V
Grid 1 Voltage1000 V
Cathode Current55 mA
Audio Performance
Power Output6 W
Key Features
- Permanent magnet focalization
- Electronic tuning
- Wideband
- Standard CNET A6 waveguide couplers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Amplifier (4.2 GHz) | 1800 V | — | — | — | 40 mA |
Application Notes
Used for telecommunications links. Requires forced air cooling at 4 millibars. Minimum warm-up time of 126 seconds required before applying high voltage.
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