Analog front-end input-impedance boosting techniques for bio-potential monitoring—A review

F Yan, J Liu - IEEE Transactions on Instrumentation and …, 2024‏ - ieeexplore.ieee.org
Physiological information provided by bio-potential signals is essential and pivotal for
biomedical sensors. As the first stage in the signal chain of the sensor, impedance matching …

Active neural interface circuits and systems for selective control of peripheral nerves: a review

M Habibollahi, D Jiang, HT Lancashire… - … Circuits and Systems, 2024‏ - ieeexplore.ieee.org
Interfaces with peripheral nerves have been widely developed to enable bioelectronic
control of neural activity. Peripheral nerve neuromodulation shows great potential in …

A Compact Sub-μW CMOS ECG Amplifier With 57.5-MΩ Zin, 2.02 NEF, 8.16 PEF and 83.24-dB CMRR

C Sawigun, S Thanapitak - IEEE transactions on biomedical …, 2021‏ - ieeexplore.ieee.org
This paper presents a compact DDA-based fully-differential CMOS instrumentation amplifier
dedicated for micro-power ECG monitoring. Only eight transistors are employed to realize a …

Technical survey of end-to-end signal processing in BCIs using invasive MEAs

A Erbslöh, L Buron, Z Ur-Rehman… - Journal of Neural …, 2024‏ - iopscience.iop.org
Modern brain-computer interfaces and neural implants allow interaction between the tissue,
the user and the environment, where people suffer from neurodegenerative diseases or …

A Fingertip-Mimicking 12×16 200μm-Resolution e-skin Taxel Readout Chip with per-Taxel Spiking Readout and Embedded Receptive Field Processing

MD Alea, A Safa, F Giacomozzi, A Adami… - … Circuits and Systems, 2024‏ - ieeexplore.ieee.org
This paper presents an electronic skin (e-skin) taxel array readout chip in 0.18 m CMOS
technology, achieving the highest reported spatial resolution of 200 m, comparable to …

An energy-efficient small-area configurable analog front-end interface for diverse biosignals recording

H Wu, J Chen, X Liu, W Zou, J Yang… - IEEE Transactions on …, 2023‏ - ieeexplore.ieee.org
We introduce a fully integrated configurable analog front-end (CAFE) sensor intended to
accommodate various types of bio-potential signals in this article. The proposed CAFE is …

A multi-channel neural recording system with neural spike scan and adaptive electrode selection for high-density neural interface

HS Lee, K Eom, M Park, SB Ku, K Lee… - … on Circuits and …, 2023‏ - ieeexplore.ieee.org
There is an increasing demand for real-time neural signal monitoring from a large number of
electrodes to provide adequate spatial and temporal resolution for high-density brain neural …

A front-end amplifier with tunable bandwidth and high value pseudo resistor for neural recording implants

M Ashayeri, M Yavari - Microelectronics Journal, 2022‏ - Elsevier
In this paper, a tunable front-end amplifier is presented for neural recording implants. To
program the low cut-off frequency, a bias circuit is used to adjust the value of pseudo …

Tunable CMOS pseudo-resistors for resistances of hundreds of GΩ

JM Rueda-Díaz, E Bolzan… - … on Circuits and …, 2021‏ - ieeexplore.ieee.org
This paper presents the design of tunable CMOS pseudo-resistors aimed at achieving large
and predictable resistance values. Instrumental to the proposed pseudo-resistor is the …

A wireless sensor-brain interface system for tracking and guiding animal behaviors through closed-loop neuromodulation in water mazes

Y Hou, Y Zhu, X Ji, AG Richardson… - IEEE Journal of Solid …, 2024‏ - ieeexplore.ieee.org
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 …