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ClassVariable-mu RF Pentode
Construction
Primary TypePentode
EnvelopeST-12
Sections1
Filament / Heater
Absolute Maximum Ratings
Plate Voltage250 V
Grid 2 Voltage90 V
Grid 1 Voltage-3 V
Audio Performance
Key Features
- Variable-mu
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Amplifier | 90V | 1050 | 150000 | - | 6.3mA |
| RF Amplifier | 250V | 1100 | 400000 | - | 6.5mA |
Application Notes
Used as a radio-frequency amplifier in AC receivers.
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