This circuit was found in the Electronics Experimenter Handbook from 1991. The circuit controls a simple relay for the purpose of turning circuits on or off or switching audio channels.
This application circuit for the AD6521C was found in Radio Electronics from the 90's. The circuit...
This regulator is based on the SFC2308 integrated circuit, which is quite old, therefore difficult to...
This circuit has an output that provides the average value of the rectified voltage. Operational...