This circuit was found in old documentation, but it can be designed based on modern equivalent components, including the H bridge with operational ones.
This circuit was found in a 1962 publication. At the time there were high voltage batteries like the...
Found in documentation from the 1980s, this highly sensitive circuit is based on the conduction by the...
In the figure we have the way to implement a power zener diode. The voltage depends on the zener,...