This circuit was obtained in a 1968 manual of General Electric. The components used are of the time, but they admit equivalent. Observe the optical feedback system for control.
This circuit was obtained from an English magazine from 1985. It consists of a pulser that drives...
This circuit can measure the power of loads up to 1 kW and its accuracy depends on the settings and...
This circuit came out in an English magazine from 1978. The circuit generates a ladder of 128...