The traveling wave tube inside HP 493A is radioactive

p-493AInt (1)-600

Kerry Wong writes, “In my previous video featured on EEVBlog I did a teardown of an HP 493A microwave amplifier along with the traveling wave tube inside. I actually had done a teardown of an identical unit a while ago but this time I managed to take a peek at the traveling wave tube inside.”

More details on his blog here.

Check out the video after the breaks.

from Dangerous Prototypes http://ift.tt/2n4sJGj

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