A bioelectric neural interface towards intuitive prosthetic control for amputees

AT Nguyen, J Xu, M Jiang, DK Luu, T Wu… - Journal of neural …, 2020 - iopscience.iop.org
Objective. While prosthetic hands with independently actuated digits have become
commercially available, state-of-the-art human-machine interfaces (HMI) only permit control …

High-resolution SAR ADC with enhanced linearity

H Fan, F Maloberti - IEEE Transactions on Circuits and Systems …, 2016 - ieeexplore.ieee.org
This brief proposes two digital-to-analog converter switching techniques for binary-weighted
capacitor array successive approximation register (SAR) analog-to-digital converter (ADC) …

A 16-bit 4-MS/s SAR ADC With Dual-Segmental Bit Weight Self-Calibration

Y Chen, Q Huang, Y Fan, Q Zhao… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
High-resolution successive approximation register (SAR) analog-to-digital converters
(ADCs) typically require bit weight calibration. The bit weight self-calibration technique is …

Redundant crossfire: A technique to achieve super-resolution in neurostimulator design by exploiting transistor mismatch

AT Nguyen, J Xu, DK Luu, CK Overstreet… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
A high-resolution neurostimulator is the essential component of many bidirectional neural
interfaces. In practice, the effective resolution of fully integrated neurostimulator designs is …

MRI-based image signal-to-noise ratio enhancement with different receiving gains in k-space

L Wu, S Zhang, T Zhang - Sensors, 2021 - mdpi.com
Echo signals in different regions in the k-space of magnetic resonance imaging (MRI) data
possess different amplitudes. The signal-to-noise ratio (SNR) of a received signal can be …

Neuronix enables continuous, simultaneous neural recording and electrical microstimulation

Z Yang, J Xu, AT Nguyen, T Wu… - 2016 38th Annual …, 2016 - ieeexplore.ieee.org
This paper reports a novel neurotechnology (Neuronix) and its validation through
experiments. It is a miniature system-on-chip (SoC) that allows recording with simultaneous …

Advancing system performance with redundancy: From biological to artificial designs

AT Nguyen, J Xu, DK Luu, Q Zhao, Z Yang - Neural computation, 2019 - direct.mit.edu
Redundancy is a fundamental characteristic of many biological processes such as those in
the genetic, visual, muscular, and nervous systems, yet its driven mechanism has not been …

A 14.9 μW analog front-end with capacitively-coupled instrumentation amplifier and 14-bit SAR ADC for epilepsy diagnosis system

X Yang, M Zhao, Y Dong, X Wu - 2016 IEEE biomedical circuits …, 2016 - ieeexplore.ieee.org
This paper presents an analog front-end architecture with capacitively-coupled
instrumentation amplifier and 14 bit low power SAR ADC. It is implemented in a 0.18 μm …

A High ENOB 14-Bit ADC without Calibration

C Laoudias, G Souliotis, F Plessas - Electronics, 2024 - mdpi.com
This paper presents an implementation of a 14-bit 2.5 MS/s differential Successive-
Approximation-Register (SAR) analog-to-digital converter (ADC) to be used for sensing …

A new 13-bit 100MS/s full differential successive approximation register analog to digital converter (SAR ADC) using a novel compound R-2R/C structure

S Mahdavi, E Ghadimi - 2017 IEEE 4th international conference …, 2017 - ieeexplore.ieee.org
A novel and reliable high-resolution and high-speed SAR ADC is presented in this paper. In
the proposed article, a new compound R-2R/C structure is utilized in order to achieve both …