The integrated circuit used in this amplifier is not very common today. This amplifier was found in the 1977 National Semiconductor Audio Handbook. The power source must be at least 500 mA.
This circuit was found in a 90s Electronics Now. It generates sinusoidal signals according to the...
This 2006 documentation source contains several built-in regulators that can be adjusted for...
This circuit serves as a reference to learn how signals were decoded in the 1960s. The fully...