Posts Tagged ‘Tuned Circuit’

How Crystal Radios Really Work June 8, 2009 5 Comments

Almost anyone who has tinkered with electronics has built a crystal radio. I’ve always marveled not only at how amazing these little devices were, but also at the lack of descriptions regarding their inner workings. Descriptions of crystal radios almost invariably use some terminology synonymous with, “The detector changes the back and forth radio wave [...]