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 in a 1991 Electronics Handbook. The publication no longer exists, but...
This circuit provides an output voltage with the absolute value of the charge and discharge current...
With the figure circuit it is possible to control the amount of heat generated by the heating...