This circuit was found in the February 1990 issue of Radio Electronics magazine. The gain is given by the capacitors according to the table next to the diagram.
This circuit allows the detection of RF signals using the lowest range of direct currents of a...
The MC496 integrated circuit used in this application is not common today. Motorola's circuit...
This window comparator circuit was found in a Popular Electronics from the 90s. The circuit has a...