We found this circuit in Motorola's Linear Databook in 1990. The circuit can be designed with other operational amplifiers and the gain is determined by R2 and R1. To calculate the gain, the formula is given next to the diagram.

We found this circuit in Motorola's Linear Databook in 1990. The circuit can be designed with other operational amplifiers and the gain is determined by R2 and R1. To calculate the gain, the formula is given next to the diagram.