Tube-number record
TOP 1293
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BrandTHOMSON-CSF
ClassTraveling Wave Tube
BaseFlexible / flying leads
Filament6.3 V @ 1250 mA
Construction
Primary TypeOther / special
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 | 5000 V | — | — | — | 650 mA |
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.
Datasheets
Datasheet: TOP1293.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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