This analog ammeter circuit was found in documentation from the 1980s. The components admit equivalents and the scales are determined by the values of the components in the range selection.
This circuit makes use of a commercial type current transformer. The circuit is from a 2005 Linear...
This circuit provides a linear attenuation of a signal up to 100 dB. The circuit operates with...
The filter shown in the figure can be implemented with general purpose amplifiers like the 741....