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CV740

Information - Aide 
ID = 48708
       
Pays:
Etats-Unis
Fabricant: DuMont Labs, Allen B., Inc.
Type:  CRT (cathode ray tube) 
Identique à CV740 = 2505A5
Première source
Dec.1941 : Electron Tube Registration List

Culot 7-Pin-Base-general, old, USA
Chauffage Vf 2.5 Volt / If 2.1 Ampère / Half indirect
Description 5" medium-persistance green fluorescent CRT intended for oscillographic applications. Electrostatic focus and deflection. The lower vertical and the right horizontal deflection plates tied to A2. Typical operation: 500V on A1, 1500V on A2, -80V grid cutoff. 
Bibliographie -- Original-techn. papers.   Electronics, Jan. 1942
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