This amplifier with gains between 5 and 100 was found in the May 1988 issue of Radio Electronics magazine. The circuit requires a symmetrical power supply.
The integrated circuit 747 used in this circuit is a double 741. The circuit must be powered by a...
The project that we present below is very interesting, serving to identify remote calls such as in...
This configuration is traditional and can be found in many other circuits in this section. The...