Tube-number record
4053
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BrandRCA
ClassTraveling-Wave Tube
BaseFlexible / flying leads
Filament6.3 V @ 1.75 mA
Construction
Primary TypeOther / special
EnvelopeMetal Shell
Base MaterialMounting Blocks
Sections1
Filament / Heater
Warm-up Time180s
Heater NotesStarting current must never exceed 4 amperes; Minimum warmup time 3 minutes.
Absolute Maximum Ratings
Plate Voltage3000 V
Grid 2 Voltage1700 V
Cathode Current80 mA
Audio Performance
Key Features
- Integral periodic-permanent-magnet
- Helix-transmission-line type
- Unipotential Cathode
- Thermostatic Switch protected
- L-Band transmission
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier at 1.4 Gc | 2200 V | — | — | — | 70 mA |
Application Notes
Forced-air cooling of collector is necessary (25 cfm min). Magnetic materials must be kept 8 inches away. Helix supply requires overload protection (4 ma limit).
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