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.
One of the application circuits we gave with the 4013 in this circuit bank was a bistable switch...
This circuit meets applications in remote control. It allows to control a motor from input pulses. The...
Found in an old Popular Electronics this circuit can also be adapted to be used as a shield. In...