Found in a 90s Electronic Design, this circuit provides a highly stable 60 Hz sine signal for applications such as inverters. The components used are common today.
This circuit with transistors was found in an old Japanese publication, translation of an American...
This 8 W amplifier with germanium transistors was found in a Japanese documentation from 1967. The...
This circuit of the 80's makes use of components of the time. The circuit is from an American...