A Wide Dynamic Range Sigma-Delta Modulator for EEG Acquisition Using Randomized DWA and Dynamic-Modulated Scaling-Down Techniques

A Wide Dynamic Range Sigma-Delta Modulator for EEG Acquisition Using Randomized DWA and Dynamic-Modulated Scaling-Down Techniques

This paper proposes a wide dynamic range (DR) and high-resolution discrete-time (DT) 2-order 4-bit sigma-delta modulator with a novel dynamic-modulated scaling-down (DM-SD) technology for non-invasive electroencephalogram (EEG) acquisition. The DM-SD technology can expand the input dynamic range and...

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Bibliographic Details
Main Authors: Yongchun Han, Wenhao Liu, Xiangwei Zhang, Xiaosong Wang, Xin Liu, Yu Liu
Format: Article
Language:English
Published: MDPI AG 2022-12-01
Series:Sensors
Subjects:
ΣΔ modulator
analog-to-digital (ADC)
dynamic range (DR)
electroencephalogram (EEG)
dynamic-modulated scaling-down (DM-SD)
low parasitics capacitance
Online Access:https://www.mdpi.com/1424-8220/23/1/201

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https://www.mdpi.com/1424-8220/23/1/201

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