The gain of this amplifier is given by the components indicated in the formulas next to the diagram. The power supply must be symmetrical and equivalent operational amplifiers can be used.
This circuit from a Radio Electronics from December 1974 was used in color televisions of the...
This circuit appears in several versions on this site. It is designed to be used between the...
We found this circuit in a publication of 1991. The audio amplifier is an operational that admits...