EM-779
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BrandEimac (Eitel-McCullough, Inc.)
ClassTraveling Wave Tube
BaseFlexible leads
Filament6.3V @ 600mA
Construction
Primary TypePower-amplifier traveling wave tube
EnvelopeCeramic and Metal
Base MaterialMetal
SectionsSingle
Filament / Heater
Heater NotesUnipotential oxide coated cathode; Minimum heating time 60 seconds.
Absolute Maximum Ratings
Plate Voltage3000 V
Grid 1 Voltage-40 V
Cathode Current25 mA
Audio Performance
Power Output1 W
Key Features
- Ruggedized
- Ceramic and metal construction
- Periodic permanent magnet focused
- Temperature compensated magnets
- Designed for airborne applications
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Saturated CW | 2950V | - | - | - | 23mA |
Application Notes
Helix, collector, and anode are internally connected to the tube body. Cooling via passive heat sink.
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