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.
The integrated circuit used in this 80's mixer is the LM301A. However the circuit can be used to...
This circuit, found in a 1982 documentation, consists of a small inverter based on a Hartley...
Found in Popular Electronics from the 90s, this circuit powers a warning lamp when the load is...