Based on Texas Instruments documentation, this circuit serves for sensor interfacing. The circuit is based on the LF411, but other operational ones can be used.
This circuit is from an April 2000 Poptronics. The magazine no longer exists, but the circuit can...
We found this circuit in the Radio Electronics Handbook magazine special edition of 1992. The...
The integrated circuit used in this project is uncommon today, but the configuration can be...