Found in an Electronic Engineering from the 80's, this circuit makes use of components of the time. The circuit can be implemented with modern equivalent components.
Found in an Electronic Design of 1964, this circuit operates with control voltages from 0 to 12 V...
This circuit uses an SCR as an active component, working only at short distances. The circuit was...
We found this circuit in a Radio Electronics from July 1968. The circuit generates rectangular pulses...