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CV1638

Información - Ayuda 
ID = 30900
       
País:
Gran Bretaña (GB)
Marca: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Diseñador: Western Electric Company Inc.; New York (NY) 
Tipo:  Triode, vacuum 
Idéntica a CV1638 = 4101D = VT31_GPO = 101D

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Filamento Vf 4.5 Volt / If 1 Ampere / Direct
Descripción This is the CV designated 4101D used by the UK Post Office for telephony repeaters.
Initially designated VT31.
This was manufactured by the British Western Electric Co which became ST&C. It was a UK copy of the WE 101D. 
Literatura -- Original-techn. papers.   

cv1638_so.png CV1638: ARRL Handbook 1972
Anónimo 10 Coleccionista


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