Robust Biopotential Acquisition via a Distributed Multi-Channel FM-ADC.

Julian Warchall,Paul Theilmann,Yuxuan Ouyang,Harinath Garudadri,Patrick Mercier

IEEE Transactions on Biomedical Circuits and Systems（2019）

引用 19|浏览19

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摘要

This contribution presents an active electrode system for biopotential acquisition using a distributed multi-channel FM-modulated analog front-end and ADC architecture. Each electrode captures one biopotential signal and converts to a frequency modulated signal using a VCO tuned to a unique frequency. Each electrode then buffers its output onto a shared analog line that aggregates all of the FM-mo...

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关键词

Electrodes,Frequency modulation,Dynamic range,Frequency division multiplexing,Electromagnetic interference,Wires,Motion artifacts

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