Noise Analysis for Performance Evaluation of Biopotential Recording Front-Ends

2023/11/27 by T.H. Lee, Lee, Taeju
Engineering · #Analog and Mixed-Signal Circuit Design #FOS: Electrical engineering #FOS: Physical sciences #Instrumentation and Detectors (physics.ins-det) #Low-power high-performance VLSI design #Systems and Control (eess.SY) #electronic engineering #information engineering

paper · pdf · doi:10.48550/arxiv.2311.15538

openalex publication_date 2023/11/27 · openalex created_date 2023/11/29 · openalex updated_date 2026/07/28

Abstract

Noise efficiency factor (NEF) and power efficiency factor (PEF) are widely used as the figure of merit to quantify the performance of biopotential recording front-ends. NEF and PEF are discussed from the noise analysis to the trend survey. To provide a comprehensive performance comparison of the front-ends, the performance mapping is developed using the design parameters of the technology node, NEF, PEF, |PEF - NEF|, and supply voltage. Using |PEF - NEF| provides how well a front-end balances between current-noise efficiency and power-noise efficiency, in other words, how biased a front-end is between current- and power-noise efficiencies. Also, the performance mappings of different front-end architectures are presented.

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