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BrandPhilips
ClassPentode
BaseSubminiature
Construction
Primary TypePentode
EnvelopeSubminiature Glass
SectionsSingle
Filament / Heater
MaterialDirect
Absolute Maximum Ratings
Plate Voltage90 V
Grid 2 Voltage67.5 V
Audio Performance
Key Features
- Subminiature
- Directly heated
- Battery operation
- R.F. amplifier
- M.F. amplifier
- A.F. amplifier
- Oscillator
- Self-oscillating mixer
- A.M.-detector
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF/AF Amplifier (Condition 1) | 45V | 820 | 1000000 | - | 0.8mA |
| RF/AF Amplifier (Condition 2) | 67.5V | 1100 | 500000 | - | 1.8mA |
Application Notes
Direct soldered connections to the leads must be at least 5 mm from the seal and any bending of the leads must be at least 1.5 mm from the seal. g3 consists of two parts, each connected to a heater terminal.
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