Found in a 90s Radio Electronics, this circuit is intended to drive a neon lamp from a 9 V source. The positive supply is made on pins 4 and 8.
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,...