This 8 W amplifier with germanium transistors was found in a Japanese documentation from 1967. The circuit is of the commercial type and is powered by two 12 V batteries or by a symmetrical source.
This configuration with the LM383 appears elsewhere on this site. The circuit shown was obtained...
This circuit was found in National Semiconductor documentation from the 1990s. It has cold...
This simulation shows how to use an operational amplifier as a voltage comparator. The sample uses the...