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ID = 19352
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Developer: BTH (B.T.H.), British Thomson-Houston Co, Ltd. 
Tube type:  Pulse magnetron   SHF/EHF (>3 GHz) 
Identical to CV64 = E1342 = BM717
Predecessor Tubes CV38  
Successor Tubes CV192  

Base SPECIAL TUBEBASE in general
Was used by Radar
Filament Vf 6 Volts / If 1.25 Ampere / Half indirect

Echelon strapped 8-segment magnetron operating in S-band. It was developed by L. Rushford and R. Latham at BTH, with the initial designation of BM717. Peak out power was about 40KW, four times the power returned by CV38, with 13KV, 10A pulses. The power was substantially limited by the modulator tubes: when the CV85 trigatron became available, CV64 was operated at 160 KW input power. Similar devices were available shortly later from US manufacturers, such as the 706Y family.
Used in AI MkVIII and, from October 1942, in H2S.

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Tube prices 1 Tube prices (visible for members only)
Information source -- Original prospect or advert   Callick, Metres to Microwaves
-- Original-techn. papers.   

Emilio Ciardiello

CV64: Manufacturer's Literature
Emilio Ciardiello

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