High input impedance three op amp differential amplifier circuit diagram
Source: InternetPublisher:赔钱虎 Keywords: Power supply other power circuits Updated: 2020/06/11
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/a38e25cc9c936464aef8749254d0f4f3/543374b12250ceb0046acf840aa42959.jpg)
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