This circuit was found in a 303 Circuits issue of Elektor magazine from the 1990s. The circuit uses an equivalent operating system. The source is not symmetrical.
We found this CMOS circuit based on the PLL4046 in the December 1989 issue of Radio Electronics magazine....
This simple circuit can be used to power a simple communication system using ordinary telephones....
The shunt type regulators are connected in parallel with the load, deflecting the current to...