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An Active Concentric Electrode for Concurrent EEG Recording and Body-Coupled Communication (BCC) Data Transmission
Cited 11 time in
Web of Science
Cited 13 time in Scopus
- Authors
- Issue Date
- 2020-12
- Citation
- IEEE Transactions on Biomedical Circuits and Systems, Vol.14 No.6, pp.1253-1262
- Abstract
- This paper presents a wearable active concentric electrode for concurrent EEG monitoring and Body-Coupled Communication (BCC) data transmission. A three-layer concentric electrode eliminates the usage of wires. A common mode averaging unit (CMAU) is proposed to cancel not only the continuous common-mode interference (CMI) but also the instantaneous CMI of up to 51V(pp). The localized potential matching technique removes the ground electrode. An open-loop programmable gain amplifier (OPPGA) with the pseudo-resistor-based RC-divider block is presented to save the silicon area. The presented work is the first reported so far to achieve the concurrent EEG signal recording and BCC-based data transmission. The proposed chip achieves 100 dB CMRR and 110 dB PSRR, occupies 0.044 mm(2), and consumes 7.4 mu W with an input-referred noise density of 26 nV/root Hz.
- ISSN
- 1932-4545
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Related Researcher
- College of Engineering
- Department of Electrical and Computer Engineering
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