We found this circuit in the 1990 Philips Databook. The circuit is a commercial application of the decoder in stereo FM radio receivers.
This circuit came out at a Wireless World in January 2000. The circuit can be easily assembled as it uses...
This circuit was obtained in a Popular Electronics magazine in March 1991. The circuit generates...
This circuit makes use of an operational amplifier from the 80's. The circuit can be implemented with...