This paper presents the trend of biopotential recording front-end channels developed from
the 1970s to the 2020s while describing a basic background on the front-end channel …

Performance trade-offs are central to analog/mixed-signal circuit design as they define the
boundaries of the achievable design space. Circuit configurability allows run-time dynamic …

This article presents a wireless sensor-brain interface (SBI) system designed for closed-loop
neuromodulation in freely behaving animals. The system enables a novel experiment in …

This paper proposes a novel, tunable AC coupled capacitive feedback amplifier, exhibiting
an ultra-low high pass corner frequency. This is accomplished by actively boosting the …

This article presents a transformer-first analog front-end (AFE) for ultra-low-power sensor
nodes. The proposed AFE employs a discrete-time transformer based on series–parallel …

This paper presents a low power, high resolution bio-impedance sensor IC for respiration
monitoring application. It contains the dual path instrumentation amplifier (DPIA) including …

Wearable biomedical devices for recording electrocardiograms (ECG) are becoming more
and more popular as they provide clinicians with a comprehensive view of a patient's …

This paper presents a discrete-time low-noise amplifier for miniaturized sensor nodes. Such
amplifier achieves a noise efficiency factor of 1.01 and a power efficiency factor of 1.63 …

In telecardiology, it is highly essential that good resolution signals are to be presented to the
doctor for immediate diagnosis. In this aspect adaptive noise cancellers (ANCs) are …

This article presents an inverter-based multichannel low-power low-noise neural signal
recording amplifier with a novel differential-like operational transconductance amplifier …