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HR210_Octron

Information - Hilfe 
ID = 80774
       
Land:
Grossbritannien (UK)
Marke: Octron (Brand), H. S. Electric, Ltd.; Octron Ltd.; Birmingham
Typ:  Triode (Hoch-) Vakuum   Detektor 
Identisch mit HR210_Octron
Sockel Europasockel 4-Stift B4 (Eu A, E, 4A) 1914
Anwender Radio/TV-Empfang etc.
Heizung Uf 1.8 Volt / If 0.1 Ampere / Direkt / Batterieheizung =
Beschreibung

Rac 77kΩ, Ia 0.85mA, gm 0.21mA/v at Vg=-1.0 and Va=100

This tube had a blue line painted around the bulb. Used as a detector or RCC tride

 
Literatur Wireless World (The), London (WW, 79)   Dec 1926
British Radio Valves - The Classic Years: 1926-1946   P. 250 & 331; Supplement, p. 80
History of the British Radio Valve to 1940
b4_base_pins~~441.png HR210_Octron: Fin Stewart
Fin Stewart

Just Qvigstad
 
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