Unity-Gain Amplifier With Theoretically Zero Gain Error

Abstract

This paper presents a unity-gain amplifier architecture, which, unlike already known solutions, provides a theoretically zero gain error without requiring an infinitely large loop gain. The architecture is based on two amplifiers nested in a feedback configuration, which allows a straightforward complementary metal-oxide-semiconductor (CMOS) implementation… (More)
DOI: 10.1109/TIM.2008.917181

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