Tube-number record
6562/5794A
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BrandApollo
ClassUHF Oscillator & Amplifier Triode
BaseCoaxial
Filament6.3 V @ 170 mA
Construction
Primary TypeTriode
EnvelopePencil
SectionsSingle
Filament / Heater
Heater Notes170mA Max
Absolute Maximum Ratings
Cathode Current34 mA
Audio Performance
Key Features
- Negative grid triode
- Integral cavity resonators
- Coaxial RF output fitting
- Trimmer for fine frequency adjustment
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Static Characteristics | 90 V | 4000 | 3750 | 15 | 6.2 mA |
| Oscillator | 110 V | — | — | — | 34 mA |
Application Notes
Designed for transmitter of radiosondes used in meteorological work.
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