This circuit was obtained in an Electronic Design from the 80's. It has the adjustment of the gain through a simple potentiometer. The power supply must be symmetrical.
This well-known configuration was found in a 1982 publication. Other operational amplifiers can be...
I found this circuit in a 1992 Electronics Experimenter Handbook. The circuit can be easily...
Ixys SiC Diodes IXYS silicon carbide (SiC) diodes can be found at Mouser Electronics in a current...