Showing posts with label vintage. Show all posts
Showing posts with label vintage. Show all posts
Nov 15, 2021
Sep 28, 2021
Sep 27, 2021
Crystal radio
Most electronics enthusiasts started with this diagram.
Crystal radios are the simplest type of radio receiver and can be made with a few inexpensive parts, such as a wire for an antenna, a coil of wire, a capacitor, a crystal detector and earphones (>2000 ohms).
Crystal radio made by Radiola (1922)
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