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 is from a 1968 documentation. It generates a non-symmetrical signal with the waveform...
This circuit is found in documentation from the 1990s. The load can be a relay and the sensor, an LDR of...
This circuit is used to turn on the headlights when it gets dark. The circuit is from an...