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1B40

Information - Help 
ID = 29749
       
Country:
United States of America (USA)
Brand: Sylvania (Hygrade, GTE, Nilco); Emporium (PA)
Tube type:  TR-switch 
Identical to 1B40 = 164D

Base Other combinations of connections.
Was used by Radar
Filament
Description

External Cavity, 1 kW at 1075 to 1096 MHz. 'Electrodeless' discharge: the tube has the ground ring and a keep-alive electrode connection in the base.
Made by Bomac and Sylvania.

 
Information source -- Collector info (Sammler)   
Tube Lore (I)   
 
1b40_en.jpg
1B40: Private collection
Emilio Ciardiello

 
1b40_1.png
1B40: Manufacturer's Literature
Emilio Ciardiello



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