This circuit consists of an electrostatic sensor that can check if a cable is energized by simply approaching it. The circuit is from an Electronics Now from December 1998.
This circuit was suggested by National Semiconductor in its 1994 Linear Applications Handbook. The...
This 600-ohm line driver was found in a 1980s documentation. The integrated circuit used is not...
Using the ICM7556, dual CMOS version of the 555, this circuit generates triangular signals from 1 to...