High input impedance three op amp differential amplifier circuit diagram
Source: InternetPublisher:武林萌主 Keywords: Power supply other power circuits Updated: 2021/08/01
This article introduces a circuit that is simple to make and uses only simple resistors and operational amplifiers. The differential amplifier circuit based on op amp is as follows:
![High input impedance three op amp differential amplifier circuit diagram](http://www.eeworld.com.cn/circuit/upload/45a846c7eb2836ec73fb843e58dc6726/8fcf9b44cc168b79cf0e23f1c413534f.jpg)
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