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ID = 28159
Tube type:  MICROWAVE AND RADAR, general   SHF/EHF (>3 GHz) 
Identical to CV228
Similar Tubes
Normally replaceable-slightly different:
  CV485 ; DV40B ; V246A/1K
Predecessor Tubes DV40B  

Base Miniatur-7-Pin-Base B7G, USA 1940
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Parallel, (AC/DC)
Description VM Coaxial line Oscillator 6.2 to 6.8cm wavelength, Pout =0.45W
Dimensions (WHD)
incl. pins / tip
24 x 90 x mm / 0.94 x 3.54 x inch
Information source -- Original-techn. papers.   
CV228: RFJ
Roy Johnson

CV228: Manufacturer's Literature
Emilio Ciardiello

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