This negative bias circuit provides negative voltages from 3.5 to 6.5 V sources. The circuit was found in the April 1995 issue of Electronics Now magazine.
This circuit was found in a 1960s General Electric unijunction transistor manual. The circuit can...
In the figure we have the configuration of a variable voltage regulator with two transistors and a...
This circuit was found in Raytheon's 1967 documentation. The circuit uses an operating of the era,...