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 is the typical circuit of an FET amplifier stage in the common source configuration. The circuit is...
This circuit is interesting for experiments and can be part of the bench in the form of a module. The...
This oscillator can use any CMOS inverter. The circuit is crystal controlled and was found in the...