This configuration that appears in other points of this section was obtained in a 90’s Popular Electronics. The circuit can be applied to other operational ones.
Intended for use with signals from tape recorder pickups, this circuit was found in the December 1972...
In the figure we have the configuration of a voltage regulator with 3 transistors. The components depend...
This circuit was found in an 80s documentation. The integrated circuit used is from that time,...