We found this circuit in the 1990 Philips Databook. The circuit is a commercial application of the decoder in stereo FM radio receivers.
The XR2206 is not a common component today, but if you have one you can build this function...
This circuit was found in Philips documentation from 1967. The components are of the time, being...
The proposed circuit generates signals in the range between 9 kHz and more than 44 kHz, which, it is...