We found this circuit in the June 1988 Radio Electronics magazine. The power supply must be symmetrical.
August 2017 - Mouser Electronics has already for dispatch Microchip MIC28515 Controlled Regulators for...
Using the 4046 PLL we found this circuit in the December 1989 Radio Electronics. The circuit...
This circuit cut the noise peaks by means of diodes so that they do not appear in the output...