Tube-number record
F4135
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F4135 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand CSF, year 1965, construction Other / special, base Metal, socket Special / none, and maximum plate voltage 1400 V. The archive does not yet hold a photographed example of this type.
BrandCSF
ClassTraveling Wave Tube
BaseSpecial / none
Filament6.3 V @ 1300 mA
Construction
Primary TypeOther / special
EnvelopeMetal/Glass
Base MaterialMetal
SectionsSingle
Filament / Heater
Warm-up Time180s
Heater NotesIndirectly heated cathode
Absolute Maximum Ratings
Plate Voltage1400 V
Grid 2 Voltage2300 V
Cathode Current55 mA
Audio Performance
Power Output10 W
Key Features
- Wide band
- Periodic permanent magnet focusing
- Lightweight
- Low magnetic leakage
- Type N coaxial connectors
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| 3.0 GHz Saturated | 1300 V | — | — | — | 50 mA |
Application Notes
Recommended not to operate in magnetic fields exceeding 5 x 10^-4 T. Helix safety relay should be set to 5 mA.
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