Found in Signalite documentation from the 1960s, this circuit generates ladder pulses. The circuit generates 3 steps and below 40 V of power, it works as a frequency divider.
This circuit was obtained from an English magazine from 1976. The circuit monitors a car lamp,...
This circuit was obtained from a 1966 documentation. The transistors are of the time. The circuit...
This TTL circuit for PC was found in an English documentation from 1992. The integrated circuit used...