Both the operational amplifier and the diodes admit equivalents in this circuit suggested by National Semiconductor. The power source must be symmetrical, and the circuit curve resembles an ideal diode.
This circuit uses separate sources for the power supply and the operational stage. The output...
This is the well-known lightning lamp that was published in the March 1988 issue of Saber...
This circuit is from the time when cars used contact breakers. This 80's version measures the dwell...