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

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7637 vacuum tube outline illustration

Tube-number record

7637

0 archive entries

7637 is a tube type in the TubeDatabase archive (class: Traveling Wave Tube). Recorded specifications: brand Mullard, construction Other / special, socket Special / none, maximum plate voltage 1600 V, and maximum plate dissipation 7.5 W. The archive does not yet hold a photographed example of this type.

BrandMullard
ClassTraveling Wave Tube
BaseSpecial / none
Filament6.3 V @ 750 mA

Construction

Primary TypeOther / special
EnvelopeGlass
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage1600 V

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Intermediate amplifier1200 V———3.5 mA

Application Notes

Intended for operation as an intermediate amplifier in the 4Gc/s band. Requires a periodic permanent magnet system of approved design.

Datasheets

Datasheet: 7637.pdf

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

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    Plate Dissipation7.5 W
    Grid 2 Voltage1500 V
    Grid 1 Voltage500 V
    Cathode Current5 mA
    H-C Voltage50 V

    Audio Performance

    Power Output0.2 W
    Key Features
    • Unpackaged construction
    • Periodic permanent magnet system design
    • Low power saturation level 200 mW
    • Glass envelope