Tube-number record
7984
0 archive entries
7984 is a tube type in the TubeDatabase archive (class: Compactron Beam Pentode). Recorded specifications: brand General Electric, year 1964, construction Beam tetrode / beam power, base Button 12-Pin, socket Compactron, maximum plate voltage 750 V, and maximum plate dissipation 35 W. The archive does not yet hold a photographed example of this type.
BrandGeneral Electric
ClassCompactron Beam Pentode
BaseCompactron
Filament13.5 V @ 580 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeT-12, Glass
Base MaterialButton 12-Pin
SectionsSingle
Filament / Heater
MaterialCoated Unipotential
Heater NotesHeater current of a bogey tube at Ef = 13.5 volts. Heater supply variations restricted to maintain heater voltage within specified tolerance.
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 200 V | 13500 | — | — | 125 mA |
| Class C Amplifier (CCS) | 315 V | — | — | — | 150 mA |
| Class C Amplifier (ICAS) | 375 V | — | — | — | 150 mA |
Application Notes
Designed for use as a radio-frequency power amplifier in mobile communications equipment. Capable of delivering a power output of 46 watts at 175 megacycles.
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