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In this paper, an 8-channel area-efficient low-power current-mode analog front-end amplifier (AFEA) is designed for EEG signal recording. The AFEA is composed of eight capacitive coupled transconductors (CCGMs), current-mode band-pass filters (CMBPFs), and programmable current-gain amplifiers (PCGAs) with a multiplexer (MUX), a transimpedance amplifier (TIA), and an offset current cancellation loop...
An 8-channel chopper-stabilized analog front-end amplifier (AFEA) is designed in 65-nm CMOS for continuous EEG signal acquisition. The AFEA is composed of eight capacitively coupled chopper instrumentation amplifiers (CCCIAs) with chopper-stabilized circuits and band-pass filters, a multiplexed transconductor, and a transimpedance amplifier. The CCCIA employs an inverter-based folded-cascode amplifier...
Electroencephalography (EEG) is an important biopotential, and has been widely applied in clinical applications. The conventional EEG electrode with conductive gels is usually used for measuring EEG. However, the use of conductive gel also encounters with the issue of drying and hardening. Recently, many dry EEG electrodes based on different conductive materials and techniques were proposed to solve...
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