Antique radios, Old Time Radios
QK522
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Country:
United States of America (USA)
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| Identical to |
QK522
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| Filament |
Vf 6.3 Volts / If 2.2 Ampere / Indirect |
| Description |
Voltage-tunable backward wave oscillator. 200mW average output; 3600 to 7400MHz frequency range with helix voltage from 175 to 1330V. Integral magnet, coaxial N-type out connector, 7 pin medium base. Forced air cooling required.
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| Information source |
- - Manufacturers Literature
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