The integrated circuit used in this application is uncommon, but equivalent operational ones can be used. The circuit is from the Signetics integrated circuits manual from 1972.
This circuit was obtained in a 1994 documentation. The assembly is very critical, and the circuit...
This interesting electronic Christmas tree circuit using LEDs and integrated CMOS was found in a...
High quality sound can be obtained from this transistor amplifier. The output transistors must be...