This circuit was found in Radio Electronics from the 90s. The CMOS integrated circuit is a PLL not easy to obtain today. The output stage can be exchanged for another one with greater power.
This circuit for audio applications was found in an English magazine from the 80's. The circuit...
July 2017 - Ricoh's new 200mA R1524x voltage regulators are available from Mouser Electronics with...
This 80's circuitry decodes stereo signals used in analog TV at the time. The circuit can be used...