The PA222 integrated circuit used in this project from an American 1967 documentation is not common today. The circuit can deliver higher power with lower fidelity.
This Audio System circuit was found in 1965 documentation. It is a 50 ohm line circuit with 22 dB...
This circuit is from an Electronics Now, American magazine from December 1992. The magazine no...
This circuit allows to increase the output power of a 741 as an amplifier. The circuit is from a...