This circuit was found in the November 1994 issue of Electronics Now magazine. The circuit is based on the 566 PLL and generates signals up to about 200 kHz.
This circuit is designed to obtain a negative voltage from a positive supply for circuit...
This alarm with automatic shutoff was found in the April 1975 Radio Electronics magazine. The...
This protection circuit short-circuits a load when the voltage exceeds a certain value causing the...