Stereo FM Transmitter (CB8459E)

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

Triac Flasher (CB19143E)
This circuit only works with incandescent lamps and the frequency is adjusted in the pot,...
Touch Light Bistable (CB207E)
A flash of light on one sensor or the touch of your fingers on the other type of sensor will turn...
1 kHz oscillator (CB9223E)
This circuit was found in Radio Electronics from the 90s. The circuit employs a transconductance device and...