This circuit was found in the February 1970 issue of Radio Electronics magazine. The integrated circuit is a type of the time. It consists of a high-gain differential amplifier.
This circuit was found in the Intersil Databook. The integrated circuit used is uncommon today. R2 sets...
Using a 741 operational this circuit was found in the August 1993 Electronics Now magazine. The...
This input circuit for meters, which can also be used as a shield, is intended for operation with...