End-to-end design of ingestible electronics

A Abdigazy, M Arfan, G Lazzi, C Sideris… - Nature …, 2024 - nature.com
Ingestible electronics can potentially be used to track and treat gastrointestinal diseases in
real time. In the past decade, substantial improvements have been made to ingestible …

Wearable multiple modality bio-signal recording and processing on chip: A review

Q Lin, S Song, ID Castro, H Jiang… - IEEE Sensors …, 2020 - ieeexplore.ieee.org
Remote home monitoring via wearables is rapidly gaining popularity, thanks to ever more
complex vital signs recording and data analytics that are embedded into single devices …

A 769 μW battery-powered single-chip SoC with BLE for multi-modal vital sign monitoring health patches

S Song, M Konijnenburg… - IEEE transactions on …, 2019 - ieeexplore.ieee.org
An all-in-one battery powered low-power SoC for measuring multiple vital signs with
wearables is proposed. All functionality needed in a typical wearable use case scenario …

A 23μW solar-powered keyword-spotting ASIC with ring-oscillator-based time-domain feature extraction

K Kim, C Gao, R Graça, I Kiselev… - … Solid-State Circuits …, 2022 - ieeexplore.ieee.org
Voice-controlled interfaces on acoustic Internet-of-Things (IoT) sensor nodes and mobile
devices require integrated low-power always-on wake-up functions such as Voice Activity …

On-chip sinusoidal signal generators for electrical impedance spectroscopy: Methodological review

SJ Kweon, AK Rafi, SI Cheon, M Je… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This paper reviews architectures and circuit implementations of on-chip sinusoidal signal
generators (SSGs) for electrical impedance spectroscopy (EIS) applications. In recent years …

A 23-μW Keyword Spotting IC With Ring-Oscillator-Based Time-Domain Feature Extraction

K Kim, C Gao, R Graca, I Kiselev… - IEEE Journal of Solid …, 2022 - ieeexplore.ieee.org
This article presents the first keyword spotting (KWS) IC that uses a ring-oscillator-based
time-domain processing technique for its analog feature extractor (FEx). Its extensive usage …

Low power bio-impedance sensor interfaces: Review and electronics design methodology

J Xu, Z Hong - IEEE Reviews in Biomedical Engineering, 2020 - ieeexplore.ieee.org
Assessing blood flow, respiration patterns, and body composition with wearable and
noninvasive bio-impedance (BioZ) sensors has distinctive advantages over the conventional …

Impedance-readout integrated circuits for electrical impedance spectroscopy: Methodological review

SI Cheon, H Choi, H Kang, JH Suh… - … Circuits and Systems, 2023 - ieeexplore.ieee.org
This review article provides a comprehensive overview of impedance-readout integrated
circuits (ICs) for electrical impedance spectroscopy (EIS) applications. The readout IC, a …

Simultaneous electrical bio-impedance plethysmography at different body parts: continuous and non-invasive monitoring of pulse wave velocity

K Lee, HJ Yoo - IEEE Transactions on Biomedical Circuits and …, 2021 - ieeexplore.ieee.org
A simultaneous and time-synchronized electrical bio-impedance plethysmography (BPG)
sensor system is implemented for long-term, continuous, and non-invasive measurement of …

A 0.5-mΩ/√ hz dry-electrode bioimpedance interface with current mismatch cancellation and input impedance of 100 mΩ at 50 kHz

Q Pan, T Qu, B Tang, F Shan… - IEEE Journal of Solid …, 2022 - ieeexplore.ieee.org
This article describes a high-input-impedance, low-noise bioimpedance (BioZ) sensor
interface IC for small-area dry-electrode cardio-respiratory signals monitoring. To facilitate …