9D7
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BrandBRIMAR
ClassHigh Slope Vari-Mu Pentode
BaseMiniature
Filament6.3V @ 300mA
Construction
Primary TypePentode
EnvelopeMiniature
SectionsSingle
Filament / Heater
Absolute Maximum Ratings
Plate Voltage275 V
Plate Dissipation2.75 W
Grid 2 Voltage275 V
Cathode Current30 mA
H-C Voltage250 V
Audio Performance
Key Features
- High Slope
- Vari-mu characteristic
- Miniature envelope
- Suitable for A.C. or A.C./D.C. receivers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Vari-mu Pentode | 250V | 8400 | 750000 | 35 | 10mA |
Application Notes
Used in the I.F. stages of television and F.M. receivers using automatic gain control.
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