A 4.5 GΩ-Input Impedance Chopper Amplifier With Embedded DC-Servo and Ripple Reduction Loops for Impedance Boosting to Sub-Hz

Xuan Thanh Pham, Duc Nha Duong, Ngoc Tan Nguyen, Van Truong Nguyen, Jong-Wook Lee. A 4.5 GΩ-Input Impedance Chopper Amplifier With Embedded DC-Servo and Ripple Reduction Loops for Impedance Boosting to Sub-Hz. IEEE Trans. Circuits Syst. II Express Briefs, 68-II(1):116-120, 2021. [doi]

Abstract

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