Tube-number record
L-4920
0 archive entries
L-4920 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand Litton, construction Other / special, and maximum plate voltage 40000 V. The archive does not yet hold a photographed example of this type.
BrandLitton
ClassTraveling Wave Tube
Filament28 V @ 4000 mA
Construction
Primary TypeOther / special
EnvelopeMetal-Ceramic
SectionsDual-stage collector
Filament / Heater
Absolute Maximum Ratings
Plate Voltage40000 V
Grid 1 Voltage-750 V
Cathode Current14000 mA
Audio Performance
Key Features
- Integral solenoid
- Control grid modulated
- Shadow grid
- Dual-stage collector depression
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulsed RF | 40000 V | — | — | 40 | 14000 mA |
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