HL.23
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BrandEdiswan Mazda
ClassBattery Economy Triode
BaseBritish Octal
Construction
Primary TypeTriode
EnvelopeSmall, metallised
Filament / Heater
Absolute Maximum Ratings
Plate Voltage150 V
Audio Performance
Key Features
- Battery economy
- Low filament consumption
- Small dimensions
- Metallised bulb
- High mutual conductance
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Characteristics at Ea=100V, Eg=0V | 100V | 1500 | 21000 | 32 | - |
| Amplifier (50k Anode Load) | 120V | - | - | - | 0.85mA |
| Amplifier (100k Anode Load) | 120V | - | - | - | 0.45mA |
Application Notes
Suitable for use as an oscillator, detector, or L.F. amplifier in battery portable receivers. When used as an oscillator or cumulative grid detector, the grid leak should be returned to L.T. positive.
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