This circuit was described in an article in Electronics Now magazine in December 1995. The circuit uses integrated circuits that are still well known today.
This sophisticated decade of benchtop resistors was found in the November 1989 issue of Radio...
This circuit was found in a 2005 Linear Technology manual. The circuit monitors 12 V batteries in...
The figure shows how to increase the output current to about 50 mA of an operational amplifier. The...