Stereo FM Transmitter (CB8459E)

This circuit was found in a 90s Radio Electronics. The FM encoder or multiplexer is an uncommon component today.

Linear photometer (CB20721E)
Found in American documentation from the 1970s, this circuit employs an integrated circuit from...
Flashlight Remote Control (CB10851E)
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
Simple anemometer (CB23571E)
This assembly circuit using a small motor as a generator was found in Radio Electroics magazine from...