Tube-number record
F4026
0 archive entries
F4026 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand CSF, year 1965, construction Metal-ceramic, socket Coaxial, and maximum plate voltage 1000 V. The archive does not yet hold a photographed example of this type.
BrandCSF
ClassTraveling Wave Tube
BaseCoaxial
Filament6.3 V @ 450 mA
Construction
Primary TypeMetal-ceramic
EnvelopeMetal-ceramic
SectionsSingle
Filament / Heater
MaterialOxide
Warm-up Time180s
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage1000 V
Grid 2 Voltage150 V
Grid 1 Voltage-100 V
Cathode Current1 mA
Audio Performance
Power Output0.03 W
Key Features
- Large band
- High gain
- Medium noise
- Metal-ceramic structure
- Permanent magnet focusing
- Military and airborne grade
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Amplifier (9 GHz) | 985 V | — | — | — | 1 mA |
Application Notes
Designed for X-band amplification in microwave receivers to improve signal-to-noise ratio.
0 results