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UV200

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ID = 3607
       
Country:  United States of America (USA)      Brand: RCA (RCA Victor Co. Inc.); New York (NY)
  Developer:  General Electric Co. (GE); Bridgeport CT, Syracuse NY 
  Tube type:  Gas Triode   Detector 
Identical to UV200 = C300 = C-300
Similar Tubes Heater different:
 S200_Schickerling
First year   Nov.1920 Saga of the Vacuumtube, Tyne page 308
Successor Tubes UX200  

Base UV-Base (4 Pins+Bayonet, USA 1914 WE)
Filament Vf 5 Volts / If 1 Ampere / Direct / Battery = /
Description Tyne page 308ff brings the details of history. Here the main points only:
The first tubes RCA is marketing in 1920 are the detector tube UV200 with argon gas filling and the UV201 Amplifier. Manufacturer was General Electric (GE). Both tubes are operated with a filament current of 1 ampere and at 5 volts. Both have pear-shaped bulbs and are tipped. The base has a mantle of brass with a ceramic insert in thich the pins are imedded. Cunningham is naming his as C-300 and C-301.

In 1925 (Stokes, page 17) RCA replaces the UV200 with the UX200.

In May 1926 RCA announces the UX200A as a new detector tube, replacing the UX200. The UX200A contains caesium vapor isntead of argon gas of the UV200 and UX200 to get a much more stable operation and increase of sensitivity. The UX200A has a thoriated filament but is still outdated and was not being used for new models, only as replacement for the UX200 (EE). 
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Tube prices 13 Tube prices (visible for members only)

uv2001.jpg
UV200: KoBi
Konrad Birkner

 
Variants
 
uvsockel_2.png
UV200: KoBi
Konrad Birkner

 
tubedata1923_3.png
UV200: KoBi
Konrad Birkner


Usage in Models 16= 1920 ; 1= 1921? ; 104= 1921 ; 17= 1922? ; 263= 1922 ; 8= 1923? ; 78= 1923 ; 1= 1924?? ; 9= 1924? ; 37= 1924 ; 14= 1925 ; 3= 1926 ; 1= 9999
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):552

UV200*Box

own collection
Lindsay Shepherd
   

  Variants


own collection
Peter den Boer
UV200*tipless globe

This one has also a brass base, but no tip.

01.May.2012 Peter den Boer

 
   

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