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CV1028

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ID = 12610
       
Country:
Great Britain (UK)
Brand: Common type Great Britain tube/semicond.
Tube type:  Screen-grid Tetrode   RF/IF-Stage   Controlling (mu) 
Identical to CV1028 = VR28 = 10E/8399 = 220VSG

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Er) Top contact with a cap.
Was used by Military and/or Government
Filament Vf 2 Volts / If 0.2 Ampere / Direct
Information source Babani, International Radio Tube Encyclopaedia   p. 70 & 71
-- Original-techn. papers.   
Universal Vade-Mecum, Electron Valves and Semiconductor Devices
Taschenbuch zum Röhren-Codex 1948/49

220vsg_3.png CV1028: Manufacturer's Literature
Emilio Ciardiello


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