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DIY Shortwave radio

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Uploaded on Sep 14, 2009

A little quick Shortwave radio I put together just for fun, took 1-hour to create on the breadboard, and a little more fiddling with the various coils for different bands. Quite fun, and a lot better audio quality than my previous attempt.

This one uses 4 transistors, basically just an "amplifier" construction connected to a diode, coil and a few caps + one long antenna wire. Not getting ground from a transformer, it just uses a 9 volt battery.

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