Antique radios, Old Time Radios
445A
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Country:
United States of America (USA)
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| Identical to |
445A
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| Base |
Octal (Int.Octal, IO) K8A, USA 1935
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| Filament |
Vf 6.33 Volts / If 0.88 Ampere / Indirect |
| Description |
Reflex klystron, 10.7 to 11.7GHz, waveguide output; 880mW power output. Integral heatsink, convection cooled.
Used in the receiver section of the NASA Echo satellite-tracking radar. The 445A operated at about 11.7 GHz as pump oscillator, feeding the parametric amplifier. In the early sixties the Echo radar system was also used by NASA to track the Moon. NASA technical note D-1135, Nov. 1961.
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| Information source |
Tube Lore (I)
-- Original-techn. papers.
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445A
Emilio Ciardiello
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Just Qvigstad
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Collection of
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