Found in an Electronic Design of 1964, this circuit operates with control voltages from 0 to 12 V determining the duration of the pulses.
We found this circuit in a Popular Electronics from the 90s. Transistors can be modern...
This circuit was found in the July 1995 issue of Electronics Now magazine. The integrated circuit is...
This circuit triggers by choosing the higher of two voltages. The circuit is from a 1964...