Tube-number record
TOP 1289
0 archive entries
TOP 1289 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand Thomson-CSF, construction Other / special, base P.P.M focusing, socket Flexible / flying leads, maximum plate voltage 1300 V, and maximum plate dissipation 70 W. The archive does not yet hold a photographed example of this type.
BrandThomson-CSF
ClassTraveling Wave Tube
BaseFlexible / flying leads
Filament6.3 V @ 300 mA
Construction
Primary TypeOther / special
EnvelopeRugged Metal
Base MaterialP.P.M focusing
SectionsSingle
Filament / Heater
Warm-up Time3s
Heater NotesHeater voltage range: 6.0 to 6.6 V; Heater surge current max: 550 mA.
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Saturated amplifier at 3 GHz | 1200 V | — | — | — | 45 mA |
Application Notes
The Wehnelt must be connected to the heater-cathode terminal. Designed for radar, communications equipment, and laboratory measurements.
Datasheets
Datasheet: TOP1289.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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