Tube-number record
PLIOTRON
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BrandGeneral Electric
ClassTriode
Base4-pin
Construction
Primary TypeTriode
EnvelopeGlass
Base MaterialMedium 4-pin bayonet
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage350 V
Plate Dissipation10 W
Grid 1 Voltage-100 V
Audio Performance
Typical THD5%
Power Output0.058 W
Key Features
- High-vacuum
- Low grid power
- Uniformity of characteristics
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Average Characteristics | 350 V | 120 | — | 30 | 4.5 mA |
| Class A Audio Frequency Amplifier | 350 V | — | 40000 | — | 2.8 mA |
| Class B Radio Frequency Power Amplifier | 350 V | — | — | — |
Application Notes
The PJ-7 can be operated at frequencies as high as six megacycles without reduction in ratings. If self-bias is used, the cathode resistor should be approximately 600 ohms.
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