Tube-number record
7640/313H
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BrandHughes Aircraft Company
ClassTraveling Wave Tube
BaseSpecial / none
Filament6.3 V @ 3500 mA
Construction
Primary TypeOther / special
EnvelopeMetal
SectionsPulsed Power Amplifier
Filament / Heater
Warm-up Time180s
Heater NotesCathode pre-heating time: 180 seconds
Absolute Maximum Ratings
Plate Dissipation100 W
Cathode Current2000 mA
H-C Voltage8000 V
Audio Performance
Key Features
- Helix type wave propagating structure
- Air cooled
- Permanent magnet integral
- Pulsed operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulsed Operation | 7300 V | — | — | — | 1400 mA |
Application Notes
The 7640/313H is a microwave power amplifier for the 2000 to 4000 Mc frequency range. Input and output fittings mate with UG 19B/U type connectors.
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