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Tube Database (7,341 tube types · 1,270 archive entries)

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8128 vacuum tube outline illustration

Tube-number record

8128

0 archive entries

8128 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand Raytheon, construction Other / special, and maximum plate voltage 34500 V. The archive does not yet hold a photographed example of this type.

BrandRaytheon
ClassTraveling Wave Tube
Filament8 V @ 8000 mA

Construction

Primary TypeOther / special
EnvelopeMetal
SectionsSingle

Filament / Heater

Heater NotesCathode heating time: 5 minutes

Absolute Maximum Ratings

Plate Voltage34500 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Pulsed Operation34500 V———12000 mA

Application Notes

The 8128 is designed for use as a driver for the 8129 Amplitron, and it is ideal for frequency diversity type radar applications.

Datasheets

Datasheet: 8128.pdf

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Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.

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    Cathode Current12000 mA

    Audio Performance

    Key Features
    • Wide band
    • Pulsed operation
    • Solenoid focusing
    • High duty cycle
    • Frequency diversity radar