This is the traditional voltage follower configuration with the 741 operational amplifier. The circuit is from 1976 documentation and the power supply must be symmetrical from 6 to 15 V.
This circuit was obtained in the National Semiconductor Linear Applications Handbook of 1994. The...
This circuit was found in a Hands-On Electronics. Some restrictions must be considered as the need...
This circuit was found in a 1987 magazine. It measures the resistance of the skin using a...