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A CMOS analog front-end IC for portable EEG/ECG monitoring applications

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A CMOS analog front-end IC for portable EEG/ECG monitoring applications

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Title: A CMOS analog front-end IC for portable EEG/ECG monitoring applications
Author: Ng, K. A.; Chan, Pak Kwong
Copyright year: 2005
Abstract: A new digital programmable CMOS analog front-end (AFE) IC for measuring electroencephalograph or electrocardiogram signals in a portable instrumentation design approach is presented. This includes a new high-performance rail-to-rail instrumentation amplifier (IA) dedicated to the low-power AFE IC. The measurement results have shown that the proposed biomedical AFE IC, with a die size of 4.81 mm2, achieves a maximum stable ac gain of 10 000 V/V, input-referred noise of 0.86 Vrms (0.3 Hz–150 Hz), common-mode rejection ratio of at least 115 dB (0–1 kHz), input-referred dc offset of less than 60 V, input common mode range from 1 5 V to 1.3 V, and current drain of 485 µA (excluding the power dissipation of external clock oscillator) at a 1.5-V supply using a standard 0.5-µm CMOS process technology.
Subject: DRNTU::Engineering::Electrical and electronic engineering
Type: Journal Article
Series/ Journal Title: IEEE transactions on circuits and systems-I : regular papers
Rights: © 2005 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE. This material is presented to ensure timely dissemination of scholarly and technical work. Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. http://www.ieee.org/portal/site.
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