We found this circuit in the 1990 Philips Databook. The circuit is a commercial application of the decoder in stereo FM radio receivers.
This old circuit, from the 80s, was found in American documentation. The circuit uses dual gate...
The value of R1 given by I = R1 / 5 determines the load current of this circuit. The maximum...
This circuit, found in a 1994 documentation, eliminates the hiss (static noise) that occurs when...