This circuit provides an output voltage approximately 2 times that of the input voltage. The circuit is from an old documentation, but perfectly current.
This photometer is based on a Wheatstone bridge that must be balanced by the linear potentiometer P1. The...
This 1997 documentation circuit was originally created for use with Camcorder type video cameras....
This simple circuit tests both monophonic and other two-wire audio cables. The circuit is powered...