PL36
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BrandPhilips
ClassOutput Pentode
BaseOctal
Filament25V @ 300mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect heating by A.C. or D.C.; series supply
Absolute Maximum Ratings
Plate Voltage250 V
Plate Dissipation10 W
Grid 2 Voltage250 V
Grid 1 Voltage-1000 V
Cathode Current200 mA
H-C Voltage250 V
Audio Performance
Key Features
- Line output tube
- Indirectly heated
- Barkhausen oscillation suppression
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Typical characteristics | 100V | 14000 | 5000 | 5.6 | 100mA |
Application Notes
When operated below the knee of the Ia-Va characteristic, the screen grid series resistor must be at least 2.2 kOhms to avoid Barkhausen oscillations. Max pulse duration in line output circuits is 22% of cycle (max 18 microseconds).
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