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.
Found in a 1966 General Electric documentation, this dimmer should only be used with incandescent...
Found in General Electric documentation from 1967, this circuit uses an unusual PUT today. The...
This TTL circuit can be used as a shield. The frequency can be changed by changing the capacitors. ...