When the 24 V battery voltage drops below 18 V, this circuit cuts off its discharge. The circuit is from 1968 documentation. It can be adapted to operate with other voltages.
This circuit for analog video signals was found in the August 1970 issue of Radio Electronics...
This configuration appears at several points in this section, obtained from different sources....
With this circuit it is possible to visualize the characteristic curve of a component on an...