This circuit was found in a 1968 General Electric documentation. It has an input impedance of 2 M ohms and excites a load of 16 ohms. The integrated circuit of the time is the PA237.
This little-known regulator today was found in a Radio Electronics circuit from December 1978. The...
This 1 to 40 MHz amplifier is from a 1969 Motorola documentation. The components are of the time...
The operational used in this common configuration is a double 741. The circuit can be used to...