An Impedance-Boosted Transformer-First Discrete-Time Analog Front-End Achieving 0.34 NEF and 389-M Input Impedance

G Atzeni, C Livanelioglu… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
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 …

Quantifying Biomedical Amplifier Efficiency: The noise efficiency factor

DA Hall, KAA Makinwa, T Jang - IEEE Solid-State Circuits …, 2023 - ieeexplore.ieee.org
There has been a long-standing interest in controlling and instrumenting the human body.
Whether to restore lost function with neural prosthetics, monitor blood glucose levels, or …

A low-noise chopper current feedback instrumentation amplifier for processing feeble and low frequency signals

M Zhao, Z Meng, X Zhang - 2024 4th International Conference …, 2024 - ieeexplore.ieee.org
This paper presents a CMOS current feedback instrumentation amplifier using in amplifying
low-frequency and low-amplitude signal. Realize a well noise performance by chopping and …

Low-Power LNA in Analog Front End for Biomedical Applications

Pritty, M Jhamb - … Conference on Micro/Nanoelectronics Devices, Circuits …, 2023 - Springer
Biomedical devices have enormous possibilities in health applications. A low-noise amplifier
(LNA) is a crucial circuit in neural recording, ECG, and EEG systems. The performance of …