Antique radios, Old Time Radios
706GY
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Country:
United States of America (USA)
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| Identical to |
706GY
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| Similar
Tubes |
Other characteristic (electr. data):
706AY
; 706BY
; 706CY
; 706DY
; 706EY
; 706FY
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| Was used by |
Radar |
| Filament |
Vf 6.9 Volts / If 1.5 Ampere / Half indirect |
| Description |
Fixed-frequency 8-cavity magnetron requiring forced air cooling and external magnet. Coaxial connector. Similar to the 706A-C types, 706AY-EY were among the early 10 cm strapped magnetrons made by Western Electric, using the original British strapping scheme. The addition of straps resulted in lowering the resonant frequency and a variation of the resonator slot width was required to operate at the same frequencies of the unstrapped predecessors.
Due to the strapping that locked the oscillating mode, the efficiency was considerably increased. 11.4 to 20.9 kV at 12.5 to 20 A typical input pulses, 40 to 206 kW output pulses. The family included seven fixed frequency factory-tuned types, A to G, from 2914 to 3100 MHz.
Raytheon second sourced the family.
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| Weight |
1000 g / 35.27 oz |
| Information source |
Tube Lore (I)
-- Original-techn. papers. BSTJ, Vol.XXV, April 1946
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