This Intersil circuit was found in a 1980s documentation. Operational are of the time, but current equivalents can be experienced. The graph with the circuit performance is given next to the diagram.
In the figure we have a way of obtaining a 13,2 V with current up to 5 A using an integrated 7812...
This three-transistor amplifier uses a JFET at the input to increase the input impedance. The...
This circuit for analog video signals was found in a Linear Technology integrated circuit manual. The...