放大器
仪表放大器
直接耦合放大器
运算放大器
运算跨导放大器
全差分放大器
线性放大器
低噪声放大器
运算放大器应用
增益-带宽产品
开环增益
电气工程
差分放大器
高增益天线
电流反馈运算放大器
计算机科学
作者
Maitraiyee Konar,Rashmi Sahu,Sudip Kundu
出处
期刊:2019 Devices for Integrated Circuit (DevIC)
日期:2019-03-01
被引量:13
标识
DOI:10.1109/devic.2019.8783414
摘要
This paper evaluates the performance of three operational amplifier (Op-Amp) based instrumentation amplifier (INA) topology using two variants of Op-Amp - one with a very high gain with respect to the other Op-Amp topology. The gain accuracy and common mode rejection ratio (CMRR) of the INA is improved with the use of the very high gain Op-Amp designed using a folded cascode amplifier. The CMRR of the INA using folded cascade Op-Amp is 114 dB which is 43 dB higher to that of INA using differential amplifier.
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