The circuit is from the 1990 Motorola Linear Databook. The circuit can be implemented with other operational amplifiers. The power supply must be symmetrical.
July 2017 - The new Texas Instruments UCC20520 isolated drivers are already in the stock of Mouser...
This simple bridge circuit can be used for impedance or resistance measurement using a high...
September 2016 - It can be purchased by Mouser Electronics the new board from Texas Instruments...