Reply to post: Tubes

Behold this drone-dropping rifle with two-mile range

Kevin McMurtrie Silver badge

Tubes

I can't help but wonder if old school tech could make these for $500. Various kinds of vacuum tubes are simpler and more compact for high power output in the GHz range than semiconductors. They're essentially electron beam whistles. Magnetrons, klystrons, certain forms of Marx Generators, etc.

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