7391
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BrandGeneral Electric
ClassPlanar Triode
BaseCoaxial
Filament6.3V @ 380mA
Construction
Primary TypeTriode
EnvelopeMetal-and-ceramic
SectionsSingle
Filament / Heater
Heater NotesCathode Heating Time: 60 Seconds
Absolute Maximum Ratings
Plate Voltage200 V
Plate Dissipation2.25 W
Audio Performance
Key Features
- Small size
- Planar electrode construction
- Inherent rigidity
- Grounded-grid operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 175V | 11000 | - | 62 | 10mA |
| Class C CW Oscillator 500 MHz | 150V | - | - | - | 12mA |
| Class C CW Oscillator 5400 MHz | 150V | - | - | - | 12mA |
Application Notes
The 7391 is intended for operation as a grounded-grid, Class C oscillator at frequencies as high as 6000 megacycles.
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