Please click your language flag. Bitte Sprachflagge klicken.


Information - Help 
ID = 33924
United States of America (USA)
Brand: Western Electric Company Inc.; New York (NY)
Developer: Western Electric Company Inc.; New York (NY) 
Tube type:  Triode, vacuum   UHF 
Identical to 708A = CV3590
First year 1941 -- Original-techn. papers.
Predecessor Tubes D-160127   D-160206  

Base SPECIAL TUBEBASE in general
Was used by Radar
Filament Vf 1.7 Volts / If 1.85 Ampere / Direct

UHF grounded grid mixer triode for radar receivers. Flanged steel body with grid connected; three coaxial feed-through pins for filament and anode from the bottom plate. Top glass vacuum seal. Mu 10, f max 3GHz. Designed for operation around 700 MHz, it was used in early 1-3GHz radar sets. Also made by TungSol

Introduced by WE in 1941; source: Waveguide Transmission by George C.Southwoth, Bell Labs Series, chapter IX.

The use of a vacuum triode as mixer in 10-cm radar receivers was preferred before the availability of reliable TR cells, due to the intrinsic protection against burnouts during the magnetron pulses.

Information source Tube Lore (I)   

Collection of



You reach this tube or valve page from a search after clicking the "tubes" tab or by clicking a tube on a radio model page. You will find thousands of tubes or valves with interesting links. You even can look up radio models with a certain tube line up. [rmxtube-en]