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.
When powered by a 14 V supply this circuit source 5,2 W to a 4 ohm load. For a 2 ohm load this...
This three-transistor amplifier uses a JFET at the input to increase the input impedance. The...
In the figure we have the way to obtain an adjustable constant current source of 2 mA. The...