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How to build the simplest transmitter?

In digging around for small AM radio schematics (I'm more interested in AM than FM), I ran across Tetsuo Kogawa's site on building the "simplest" FM transmitter. It's actually pretty cute, and has just a single transistor, a few resistors and caps, and a coil that you can wind yourself on the threads of a bolt. It's also pretty easy to assemble "ugly" style, on a piece of copper clad board. Check it out.

How to build the simplest transmitter?.

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