Source: /cirosantilli/cavity-magnetron

= Cavity magnetron
{title2=1940}
{wiki}

Apparently, <DC current> comes in, and microwaves come out.

TODO: sample power efficienty of this conversion and output spectrum of this conversion on some cheap device we can buy today.

\Video[https://www.youtube.com/watch?v=bUsS5KUMLvw]
{title=Magnetron, How does it work? by Lesics (2020)}