This HeNe laser power supply was found in the March 1989 issue of Radio Electronics magazine. This power supply generated a few thousand volts for gas ignition.
This circuit that converts very low currents into voltage was obtained in the 80's used component...
Using a CA3030, this circuit was found in the May 1988 Radio Electronics magazine. The power...
This simple circuit was found in an English magazine that no longer exists, January 1970 issue. It is...