DAF96
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BrandMullard
ClassDIODE A.F. PENTODE
BaseB7G
Construction
Primary TypePentode-Diode
EnvelopeGlass
Base MaterialGlass
SectionsSingle diode and AF pentode
Filament / Heater
MaterialDirectly heated
Absolute Maximum Ratings
Plate Voltage90 V
Plate Dissipation0.03 W
Grid 2 Voltage90 V
Cathode Current0.25 mA
Audio Performance
Typical THD2.5%
Power Output0.05 W
Key Features
- Short grid-base pentode
- Battery operated receivers
- Suitable for d.c. operation
- Series or parallel filament supply
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Pentode section | 67.5V | 170 | - | 16 | 0.17mA |
| AF Amplifier Pentode Connection | 85V | - | 1000000 | 55 | 0.085mA |
Application Notes
The diode anode is located at the negative end of the filament. This valve can be used without special precautions against microphony in circuits in which the input voltage is not less than 20mV for an output of 50mW.
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