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BrandMazda
ClassPentode
Base8AG
Construction
Primary TypePentode
EnvelopeA10-2bis
Sections1
Filament / Heater
MaterialDirectly Heated
Absolute Maximum Ratings
Plate Voltage135 V
Plate Dissipation1.5 W
Grid 2 Voltage135 V
Grid 1 Voltage-100 V
Cathode Current14 mA
Audio Performance
Power Output0.14 W
Key Features
- Subminiature
- Directly heated cathode
- RF Power Amplifier
- Series or parallel filament operation
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal | 125V | 1950 | - | - | 7mA |
| Frequency Doubler (125 MHz) | 120V | - | - | - | 6.5mA |
| Frequency Doubler (250 MHz) | 120V | - | - | - | 7.9mA |
Application Notes
Frequency doubler operation possible up to 250 MHz. When filaments are parallel-fed, connect positive to pin 5 and negative to pins 1 and 7.
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