Suggested by Siliconix in documentation from the 90s, this amplifier has its gain digitally selected. The components are from that time, not easy to find today.
This circuit was obtained in a 1980 Hobby Electronics magazine. It is a digital slot machine using...
This configuration that appears in other points of this section was obtained in a 90’s Popular...
This 0.5W amplifier was found in a publication of the 1980s. The output transistors can be the...