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ID = 15635
Great Britain (UK)
Developer: GEC, General Electric Co Ltd., GENALEX; London 
Tube type:  Triode, vacuum   SHF/EHF (>3 GHz) 
Identical to CV90 = E1368 = REL42
Similar Tubes
Normally replaceable-slightly different:
Other characteristic (electr. data):
Predecessor Tubes CV16  
Successor Tubes CV273   E1440  

Base SPECIAL TUBEBASE in general
Was used by Military and/or Government
Filament Vf 6.3 Volts / If 0.6 Ampere / Indirect / Specified voltage AC/DC

Given the MOV company's experimental type number E1368, this tube was later released as the CV90. It was designed at the Hirst Research Center at the MOV works at Hammersmith near Wembley, outside London. It was the smallest disc seal tube. Anode dissipation <10W. Disc seal for use up to 3 GHz

Dimensions (WHD)
incl. pins / tip
47 x 80 x 20 mm / 1.85 x 3.15 x 0.79 inch
Weight 24 g / 0.85 oz
Information source Babani, International Radio Tube Encyclopaedia   p. 190 & 191
The Saga of Marconi Osram Valve   p. 340
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

cv90_so.png CV90: rtt
Anonymous 10 Collector

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