Tube-number record
F4107B
0 archive entries
F4107B is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand CSF, year 1964, construction Other / special, base Plastic/Metal, socket Octal, and maximum plate voltage 450 V. The archive does not yet hold a photographed example of this type.
BrandCSF
ClassTraveling Wave Tube
BaseOctal
Filament4 V @ 0.4 mA
Construction
Primary TypeOther / special
EnvelopeGlass/Metal
Base MaterialPlastic/Metal
SectionsHelix
Filament / Heater
MaterialOxides
Warm-up Time3s
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage450 V
Grid 2 Voltage300 V
Audio Performance
Key Features
- Low Noise Factor
- Wide Bandwidth
- Permanent Magnet Focusing
- Natural Cooling
- S-Band Radar Application
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical Operation at 3.0 GHz | 300 V | — | — | — | 0.3 mA |
Application Notes
Used as an input tube to improve signal-to-noise ratio in radar receivers.
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