We found this circuit in the September 1985 issue of Radio Electronics magazine. It uses CMOS integrated circuits and is part of a larger integrated circuit test project.
Common operational amplifiers can be used on this circuit. The resistor with no value in series with...
The purpose of this circuit is to detect the movement of a person by the changes in light that...
Found in an Analog Devices documentation from the 90s, this circuit uses a component of the time,...