We found this circuit in the 1990 Philips Databook. The circuit is a commercial application of the decoder in stereo FM radio receivers.
April 2017 - Microchip's new PIC18LF66 and PIC18LF66 microcontrollers with 83 instructions, 31...
This circuit operates at a voltage of 1.3 V from a single mercury cell. We found in an old...
This circuit was found in Ferranti's 1974 transistor manual. The circuit is for non-critical...