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Basic Crystal Radio Receiver Circuit Diagram by Elmer G. Osterhoudt

Friday, 11. December 2009 by Arya
A crystal radio receiver is a very simple radio receiver which needs no battery or power source and runs on the power received from radio waves by a long outdoor wire antenna. This schematic shows the Basic Crystal Radio Receiver Circuit Diagram designed by Elmer G. Osterhoudt in the early ’30s. Read more [...]