This sophisticated transmitter was found in the June 1993 issue of Electronics Now magazine. The transmitter consists of a dedicated integrated circuit of the time.
This simple radio with 1 germanium transistor was found in a Japanese documentation from 1967. The coil...
This circuit uses a parallel resonant crystal to control the frequency. The circuit is from Radio...
This circuit from a 90s Popular Electronics, decodes the old analog TV signal. It works with a...