This paper presents an overview of the fundamentals and state of the-art in noninvasive
physiological monitoring instrumentation with a focus on electrode and optrode interfaces to …

Recent years have seen fast advances in neural recording circuits and systems as they offer
a promising way to investigate real-time brain monitoring and the closed-loop modulation of …

This paper presents a low-power precision instrumentation amplifier intended for use in
wireless sensor nodes. It employs a capacitively-coupled chopper topology to achieve a rail …

Today, micro-electronic circuits are undeniably and ubiquitously present in our society.
Transportation vehicles such as cars, trains, buses, and airplanes make abundant use of …

This paper presents an active electrode system for gel-free biopotential EEG signal
acquisition. The system consists of front-end chopper amplifiers and a back-end common …

The goal of this book is to equip the circuit designer with a proper understanding of the
theory and design of operational amplifiers (OpAmps). The core of the book presents the …

<? Pub Dtl=""?> This paper describes an 8-channel gel-free EEG/electrode-tissue
impedance (ETI) acquisition system, consisting of nine active electrodes (AEs) and one back …

This paper presents a digital active electrode (DAE) system for multi-parameter biopotential
signal acquisition in portable and wearable devices. It is built around an IC that performs …

This paper presents a precision general-purpose current-feedback instrumentation amplifier
(CFIA) that employs a combination of ping-pong auto-zeroing and chopping to cancel its …

Although deep brain stimulation (DBS) has been a promising alternative for treating several
neural disorders, the mechanisms underlying the DBS remain not fully understood. As rat …