radiomuseum.org

CV1638

Informazioni - Aiuto 
ID = 30900
       
Stato:
Gran Bretagna (Regno Unito)
Produttore: Standard Telephones and Cables Ltd. (STC); London, Foots Cray
Progettista: Western Electric Company Inc.; New York (NY) 
Tipo:  Triodo a vuoto 
Identico a CV1638 = 4101D = VT31_GPO = 101D
Zoccolo UV-Base (4 Pins+Bayonet, USA 1914 WE)
Filamento Vf 4.5 Volt / If 1 Ampere / Direct
Descrizione 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. 
Bibliografia -- Original-techn. papers.   
cv1638_so.png CV1638: ARRL Handbook 1972
Anonimo 10 Collezionista

Just Qvigstad
 
[rmxtube-en]
  
Conformità dei dati Ulteriori informazioni