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402A_WE

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ID = 35028
       
Country:
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Tube type:  Klystron, linear Beam   SHF/EHF (>3 GHz) 
  Ca. 1925 up to 1945 very rare. ***
Identical to 402A_WE
Predecessor Tubes 1436_WE  

Filament Vf 6.3 Volts / If 0.5 Ampere
Description

Glass disc-seal amplifier klystron; three-pin pewee base. External cavities and focusing magnet. Forced-air blast required on the collector radiator.

500mW output at 4GHz.

During the war Bell built several linear beam experimental klystrons, capable of operating as amplifiers or oscillators at frequencies up to 3 GHz and over. This is the only linear beam klystron gone in very limited production for trials on the TDX microwave relay, soon replaced by 416A. Also used in the TD-2 test signal generator.

 
Dimensions (WHD)
incl. pins / tip
19 x 43 x mm / 0.75 x 1.69 x inch
Information source Tube Lore (I)   

Collection of

 
402a_we_01.jpg

402A_WE
 

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