TOP 1293
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BrandTHOMSON-CSF
ClassTraveling Wave Tube
BaseFlying leads
Filament6.3V @ 1250mA
Construction
Primary TypeTraveling Wave Tube
EnvelopeMetal/Ceramic
SectionsSingle
Filament / Heater
Warm-up Time180s
Absolute Maximum Ratings
Plate Voltage6000 V
Grid 2 Voltage6000 V
Grid 1 Voltage200 V
Cathode Current650 mA
Audio Performance
Power Output400 W
Key Features
- Periodic permanent magnet focusing
- Forced air cooling
- Internal thermal switch (Vigitherme)
- Broadband amplifier
- Saturated output gain of at least 43 dB
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pulsed Amplifier | 5000V | - | - | - | 650mA |
Application Notes
The TOP 1293 should be kept away from any magnetic or ferromagnetic materials. Minimum warm-up time of three minutes is required before applying high voltage.
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