Found in an American publication in 1967, this circuit generates pulses for the triggering of a LASER of the time. The circuit receives a signal in the form of a ramp producing a rectangular signal.
This circuit was obtained in the manual of the used integrated circuit. Equivalents may be used...
Suggested by Fairchild in a 1980s publication, this multiplier uses operational amplifiers from that...
This circuit was found in a 1973’s Japanese magazine. It uses transistors of the time and is...