Ultralow-power photoplethysmography (PPG) sensors: A methodological review
Photoplethysmography (PPG) sensors are used to accurately, instantaneously, and
noninvasively measure vital signs to provide a real-time indication of overall physical health …
noninvasively measure vital signs to provide a real-time indication of overall physical health …
A 134 dB dynamic range noise sha** slope Light-to-Digital converter for wearable chest PPG applications
This paper presents a low power, high dynamic range (DR), light-to-digital converter (LDC)
for wearable chest photoplethysmogram (PPG) applications. The proposed LDC utilizes a …
for wearable chest photoplethysmogram (PPG) applications. The proposed LDC utilizes a …
A 1V 136.6 dB-DR 4kHz-BW Current-to-Digital Converter with a Truncation-Noise-Shaped Baseline-Servo-Loop in 0.18\mu\mathrm {m} $ CMOS
Precise current measurements underpin emerging applications such as
photoplethysmography (PPG), electrochemical sensing, and fast-scan cyclic voltammetry …
photoplethysmography (PPG), electrochemical sensing, and fast-scan cyclic voltammetry …
A 206 W Vital Signs Monitoring System on Chip for Measuring Five Vitals
S Minto, A Cable, W Saadeh - IEEE Transactions on Very Large …, 2024 - ieeexplore.ieee.org
This article presents an area and power-efficient system-on-chip (SoC) for vital signs
monitoring to provide patients with remote monitoring. It measures five important vitals …
monitoring to provide patients with remote monitoring. It measures five important vitals …
A novel chest-based PPG measurement system
Advancements in integrated circuit (IC) technology have accelerated the miniaturization of
body-worn sensors and systems, enabling long-term health monitoring. Wearable …
body-worn sensors and systems, enabling long-term health monitoring. Wearable …
Earbud-embedded micro-power mm-sized optical sensor for accurate heart beat monitoring
This work demonstrates that accurate hear beat monitoring, via photoplethysmography
(PPG), can be performed at micro-power consumption level with an ear worn device. This is …
(PPG), can be performed at micro-power consumption level with an ear worn device. This is …
A 2.3-5.7 μW Tri-Modal Self-Adaptive Photoplethysmography Sensor Interface IC for Heart Rate, SpO2, and Pulse Transit Time Co-Monitoring
This paper presents a tri-modal self-adaptive photoplethysmography (PPG) sensor interface
IC for concurrently monitoring heart rate, SpO 2, and pulse transit time, which is a critical …
IC for concurrently monitoring heart rate, SpO 2, and pulse transit time, which is a critical …
A VCO-Based 2nd-Order Δ2–ΔΣ Modulator for Small-Size High Energy-Efficient Current Sensing Front-End
In this letter, a 2nd-order–modulator consisting of a voltage-controlled-oscillator-based
quantizer (VCOQ) and a current digital-to-analog converter (DAC) with a pulse width …
quantizer (VCOQ) and a current digital-to-analog converter (DAC) with a pulse width …
Photoplethysmography (PPG) sensor circuit design techniques
The wearable healthcare market is rapidly growing as fitness and wellness monitoring can
significantly improve quality of life. Optical Photoplethysmography (PPG) is a vital monitoring …
significantly improve quality of life. Optical Photoplethysmography (PPG) is a vital monitoring …
A 2.2-ps Time-of-Flight Resolution Frequency-Domain fNIRS Readout IC With a Dynamic Architecture and Cross-Coupling-Free Intensity and Phase-to-Digital …
Z Ma, Y Lin, C Chen, X Qi, Y Li, KT Tang… - IEEE Journal of Solid …, 2024 - ieeexplore.ieee.org
This article presents a fully integrated frequency-domain (FD) functional near-infrared
spectroscopy (fNIRS) detection integrated circuit (IC) designed for non-invasive …
spectroscopy (fNIRS) detection integrated circuit (IC) designed for non-invasive …