High‐density neural recordings with superior spatiotemporal resolution powerfully unveil
cellular‐scale neural communication, showing great promise in neural science, translational …

A new solution for an ultra-low-voltage (ULV), linear operational transconductance amplifier
(OTA) is presented in this brief. The circuit is based on a non-tailed, classAB differential …

This brief presents a low-noise, low-power bio-signal acquisition analog front-end (Bio-AFE).
It mainly includes a capacitively coupled chopper-stabilized instrumentation amplifier …

This paper presents a chopper instrumentation amplifier (IA) architecture with two symmetric
differential negative capacitance generation feedback (NCGFB) loops. The NCGFB design …

A CMOS low-voltage amplifier with approximately constant bandwidth and DC rejection is
introduced. The design is based on the cascade of a wide linear input range OTA, an op …

This paper proposes a low-channel-mismatch ExG analog front end (AFE) for bio-sensors.
An orthogonal nested-chopper technique is proposed to suppress the mismatch in inter …

This article proposes a new two-wired amplifying active electrode (AE), presenting a high
input impedance and a high common-mode rejection ratio (CMRR). In the proposed …

This paper presents a high-efficiency operational amplifier (op-amp) used in the readout
circuit of micro-sensor. The chop** and dynamic element matching (DEM) techniques are …

Analog front-end (AFE) circuits play an important role in the acquisition of physiological
signals with low-level amplitudes (from tens of μV to tens of mV) and broadband low …

In this paper, a programmable low-power analog front-end (AFE) integrated circuit (IC) for
biomedical signal monitoring systems is presented. The whole system includes four parts …