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ID = 28100
Great Britain (UK)
Brand: GEC, General Electric Co Ltd., GENALEX; London
Tube type:  Pulse magnetron 
Identical to CV214 = E1531
Similar Tubes
Normally replaceable-slightly different:
Multiple differences or of other kind:
  2J49 ; 725A
Predecessor Tubes CV208  
Successor Tubes CV2111   CV2113  

Was used by Radar
Filament Vf 3 Volts / If 2.5 Ampere / Half indirect

X-band pulsed magnetron. Variant of CV208 to be used in Naval X-band radar equipment. 15.5KV at 10A typical input pulses, 27KW RF out.
CV208 was fitted with integral waveguide output system, factory adjusted for the best matching, and with a glass boot on the heater seals, similar to that used on 725A and other US made magnetrons.

Information source -- Original-techn. papers.   
-- Original prospect or advert   Callick, Metres to Microwaves

CV214: Manufacturer's Literature
Emilio Ciardiello

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