In the figure we have the way to implement a power zener diode. The voltage depends on the zener, and the maximum current of the transistor.
This circuit is from Motorola's Linear Databook from 1990. The integrated circuit used is no...
This audio mixer or mixer was found in a translation of an American publication from the 1980s. The...
This circuit was found in a 1967 US documentation. The circuit applies to modern general purpose...