Antique radios, Old Time Radios
3J22
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Country:
United States of America (USA)
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| Identical to |
3J22
= SD849B
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| First Source
(s) |
16.Sep.1946 : Electron Tube Registration List record 520
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| Was used by |
Radar |
| Filament |
Vf 6.3 Volts / If 1.5 Ampere / Half indirect |
| Description |
Mini-magnetron, developmental type.
External magnet and cavity.
- 1050 to 1100 gauss.
- 4300 to 4950 MHz.
- 1850 V at 0.6 A, 4 µs typical input pulses; 60 mA average
- 25000 pps max repetition rate.
- 80 W peak output power.
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| Information source |
Tube Lore (I)
- - Manufacturers Literature Sylvania tentative technical data
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Collection of
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| Data Compliance |
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