Sylvania 5789W Magnetron Tube  
Written by AnubisTTP on 2007-01-18  


This device was somewhat difficult to identify, but research revealed that it is a magnetron. The copper portions of this device that are mounted on either side of the waveguide are slightly magnetic, suggesting that the device originally had much larger magnets attached. The output of this tube is a fixed 34 GHz and the power requirement is around 14 kV. According to the book Tube Lore, this is the first commercially available US magnetron for the Ka band, and was released in 1949.


Sylvania 5789W Magnetron Tube
Sylvania 5789W magnetron tube.

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