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TT-21

Information - Aide 
ID = 32784
       
Pays:
Etats-Unis
Fabricant: Bendix, Red Bank Division, Eatontown (NJ)
Type:  ANY OTHER - NOT A TUBE, general 
Identique à TT-21
Culot Miniatur-7-Pin-Base B7G, USA 1940
Description Chronotron tube. The tube contains two heaters and two electrically isolated thermistor elements. Connected in the circuit of a low frequency oscillator, it controls the period by thermal feedback. TT-21 has 1000 ohms heaters and 500 ohms secondaries resistances, 4 sec time constant. 
Bibliographie - - Manufacturers Literature   
chrono_app1_8.png
TT-21: Manufacturer's Literature
Emilio Ciardiello     Plus d'infos ...
chrono_pin_7.png TT-21: Manufacturer's Literature
Emilio Ciardiello

Just Qvigstad 		chrono_1_7.png
TT-21: Manufacturer's Literature
Emilio Ciardiello
Plus d'infos ...
 
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