Bob of Albuquerque built these cool transmitters out of junked parts, including sweet vacuum tubes. [Thanks, Harold!]

2 thoughts on “Breadboard linear amplifiers

  1. Impressive, scary but impressive.

    Also, I love the pile of what is bound to be a good chuck of cash in ham equipment teetering on a 5 gallon pail.

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My interests include writing, electronics, RPGs, scifi, hackers & hackerspaces, 3D printing, building sets & toys. @johnbaichtal

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