This stage was found in a 1964 Electronic Design. The transistors are of the time and the shape of the signal obtained is shown in the diagram.
This circuit was obtained from an American technical manual from the 80's. The integrated circuit...
Found in a 1980s documentation, this amplifier features high common mode rejection. The operating...
This circuit is from a 1967 RCA documentation. Components can be replaced with modern equivalents. The...