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3180

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ID = 43373
       
Country:
Great Britain (UK)
Brand: Cossor, A.C.; London
Tube type:  Glow Indicator (Neon)   Indication 
Identical to 3180
Similar Tubes
Other base:
  3184 ; 4662

Base Swan-Bajonett B15
Was used by Radio/TV-reception etc.
Filament --/--
Description

This tube is a tuning indicator consisting of 3 electroes, 2 short and 1 long, in an atmosphere of neon. It may be used in an A.V.C. receiver, where it gives, in the form of a glow spreading up the cathode (long electrode) , a visual indication of the correct tuning point, which point is indicated by the maximum height and intensity of the glow. It is activated by the rise and fall of the anode currents of the3 A.V.C. controlled variable-mu tubes. In use, a steady voltage of 145-160 is required to mmaintain the striking of the tube , and thiis will rise when the receiver is correctly tuned.

Bayonet-style Ba15D base, electrically equivalent to 3184.

 
Dimensions (WHD)
incl. pins / tip
15 x x 14 mm / 0.59 x x 0.55 inch
Information source Taschenbuch zum Röhren-Codex 1948/49   
- - Manufacturers Literature   

318084_app.png
3180
Emilio Ciardiello


Just Qvigstad
318084.png
3180: Manufacturer's Literature
Emilio Ciardiello

Usage in Models 1= 1935

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1
 

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