This circuit was suggested by Signetics in 1980s documentation. The circuit makes use of the hard-to-obtain component of our day. It is for reference only.
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,...