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ID = 30930
Brand: Common type Worldwide tube/semicond.
Tube type:  Thyratron 
Identical to CV1949 = 6D4 = EN93 = AFX212

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.25 Ampere / Indirect / Parallel, (AC/DC)
Description Specified for use as a wideband noise generator in the frequency range 0.1 to 10 MHz. 
Dimensions (WHD)
incl. pins / tip
19 x 56 x mm / 0.75 x 2.20 x inch
Literature -- Original-techn. papers.   
CV1949: Private collection
Emilio Ciardiello

CV1949: ARRL Handbook 1972
Michael Schlör


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