This circuit was obtained from an 80's Radio Electronics. The circuit decodes “scrambled” or sinusoidal encoded signals by providing an audio signal at the output.
This circuit is from a 1988 American magazine, but it is still up to date due to the components it uses. It...
Suggested by an Electronic Engineering, this circuit uses components of the time. Modern...
This portable transceiver circuit for the 11 meter or 27 MHz band was found in a 1991...