This amplifier was obtained from an Electronics Now from the 90s. The circuit has a dual 26V power supply. Power integrated circuits must be equipped with good heat sinks.
This circuit is a driver for R-2R network of AD converters. We found it in manufacturer...
This circuit was found in an American publication from the 60's. The transistor is made of...
This circuit produces an audio tone on the speaker or magnetic capsule. Rx must be such that added...