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This paper presents a 16-channel analog front-end (AFE) for wearable dry EEG recording. A novel AFE architecture that combines time division multiplexing (TDM) and chopping stabilization (CS) to improve the system common mode rejection ratio (CMRR) and the input-referred noise is proposed. With TDM, the reference electrode is connected to single channel input during its time slot to avoid the CMRR...
This paper presents a multi-channel analog front-end (AFE) for wearable dry EEG recording system. A novel AFE architecture is proposed to combine Time Division Multiplexing (TDM) together with chopping stabilization to improve the system-level common mode rejection ratio (CMRR) and the AFE input-referred noise. By utilizing TDM technique, single 2nd stage amplifier can be shared by multiple channels,...
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