Based on the LF256 operational amplifier, this circuit was found in the September 1989 issue of Radio Electronics magazine. The indicator is analog, and the power supply must be symmetrical.
Although the author of this circuit indicates a power that he does not really have, considerable...
This current sensing circuit for applications up to 10 A has been found in a Linear Technology...
This circuit was adapted from an Italian publication that no longer exists. This is “Onda Quadra”...