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706A

Information - Help 
ID = 32711
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Pulse magnetron 
Identical to 706A = CV3588
Similar Tubes
Other characteristic (electr. data):
  2J61 ; 706B ; 706C
Other base:
  606L
Multiple differences or of other kind:
  2J61A
Predecessor Tubes E1189  
Successor Tubes 706AY  

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, unstrapped rsonators. 706A-C was the first family of 10 cm magnetrons made by Western Electric, directly derived from the British E1189 carried to U.S. by the Tizard mission in August 1940.

  • 11 kV at 12.5 A typical input pulses
  • 25 kW output pulses.

The family included three fixed frequency factory-tuned types, A, B and C, from 3019 to 3100 MHz.

Used among the others in the transmitter section of SCR-519 precision bombing radar designed by Western Electric for use in the B-24.

Raytheon and Westinghouse second sourced the family. The unstrapped 706A to C familiy was replaced from the late 1941 by the strapped family 706AY to GY.

 
Weight 1000 g / 35.27 oz
Information source Tube Lore (I)   
-- Original-techn. papers.   BSTJ, Vol.XXV, April 1946
 
706a_we_01.jpg
706A: Private collection
Emilio Ciardiello

 


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