Metal detector receiver (CB22457E)

Found at Popular Electronics this receiver is used with a transmitter for quadrature-coil signals.

Electric fence (CB6230E)
This configuration that appears elsewhere on this site was found in a Popular Electronics of the 1980s. The...
Mouser Launches New Robotics Technology Site
February 25, 2015 - Mouser Electronics, Inc. today announced their new Robotics Technology site....
H Bridge current and direction sensor (CB5398E)
This circuit is from the 2005 Linear Technology Application Manual. It provides an indication of the...