6AD8
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ClassDouble Diode Semi-Remote-Cutoff RF & AF Pentode
Base9-pin Noval
Filament6.3V @ 0.3mA
Construction
Primary TypePentode-Diode
EnvelopeGlass
Base MaterialSmall-button Noval 9-pin
SectionsTriple
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation2 W
Grid 2 Voltage250 V
Cathode Current18 mA
H-C Voltage400 V
Audio Performance
Key Features
- Double diode
- Semi-remote-cutoff
- RF & AF pentode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF/IF Amplifier | 250V | 4300 | 1000000 | 8.8 | 6.2mA |
Application Notes
Commonly used in radio receivers for detection, AGC, and IF/AF amplification.
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