R.F. VARIABLE MU PENTODE
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BrandBRIMAR
ClassRF Pentode
Base5-pin
Filament4V @ 1000mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater Notes4.0 volts +/- 5%
Absolute Maximum Ratings
Plate Voltage250 V
Grid 2 Voltage100 V
Grid 1 Voltage-40 V
Audio Performance
Key Features
- Indirectly heated
- Variable mu characteristic
- High mutual conductance
- Low anode grid leakage capacity
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Minimum Bias | 200V | 4250 | - | - | - |
| Cut-off / High Bias | 200V | 100 | - | - | - |
Application Notes
Particularly suitable for use in receivers employing automatic volume control (AVC). Eliminates cross modulation and modulation distortion.
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