External cardiac loop recorders: Functionalities, diagnostic efficacy, challenges and opportunities

RR Rajanna, N Sriraam, VS Prakash… - IEEE Reviews in …, 2021‏ - ieeexplore.ieee.org
According to the World Health Organization's (WHO) report of 2016, cardiovascular diseases
(CVDs) accounted for mortality of an estimated 17.9 million people globally. Of these deaths …

A fully-differential CMOS instrumentation amplifier for bioimpedance-based IoT medical devices

I Corbacho, JM Carrillo, JL Ausín… - Journal of Low Power …, 2022‏ - mdpi.com
The implementation of a fully-differential (FD) instrumentation amplifier (IA), based on
indirect current feedback (ICF) and aimed to electrical impedance measurements in an …

A low power and ultra-high input impedance analog front end based on fully differential difference inverter-based amplifier for biomedical applications

M Vafaei, A Parhizgar, E Abiri, MR Salehi - AEU-International Journal of …, 2021‏ - Elsevier
In this paper, a low power and low noise analog front end (AFE) is designed for biosignal
acquisition. The first stage is a low noise amplifier (LNA) that is designed by combining the …

[HTML][HTML] Compact CMOS wideband instrumentation amplifiers for multi-frequency bioimpedance measurement: A design procedure

I Corbacho, JM Carrillo, JL Ausín, MÁ Domínguez… - Electronics, 2022‏ - mdpi.com
The design of an instrumentation amplifier (IA), based on indirect current feedback and
suited to electrical bioimpedance spectroscopy, is presented. The IA consists of two …

Mixed-signal IC with pulse width modulation wireless telemetry for implantable cardiac pacemakers in 0.18-μm CMOS

Y Rezaeiyan, M Zamani, O Shoaei… - IEEE Transactions on …, 2018‏ - ieeexplore.ieee.org
A low-power mixed-signal IC for implantable pacemakers is presented. The proposed
system features three independent intracardiac signal readout channels with pulse-width …

Implementation of a cost-effective didactic prototype for the acquisition of biomedical signals

A Polo, P Narvaez, C Robles Algarín - Electronics, 2018‏ - mdpi.com
This paper presents the implementation of a cost-effective didactic prototype, which was
designed as a tool for theoretical and practical learning in the biomedical instrumentation …

A low-power delta-modulation-based ADC for wearable electrocardiogram sensors

A Karimlou, M Yavari - … Transactions on Circuits and Systems II …, 2022‏ - ieeexplore.ieee.org
In this brief, a new ultra-low power analog-to-digital converter (ADC) based on delta ()-
modulation approach is presented for wearable Electrocardiogram (ECG) sensor systems. In …

A 4.5 W Miniaturized 3-Channel Wireless Intra-Cardiac Acquisition System

Y Rezaeiyan, Y Koolivand, M Zamani… - … Circuits and Systems, 2023‏ - ieeexplore.ieee.org
This article presents a chip designed for wireless intra-cardiac monitoring systems. The
design consists of a three-channel analog front-end, a pulse-width modulator featuring …

Design of a Tunable Gain CMOS Current Feedback Instrumentation Amplifier for Space Applications

D Sharma, V Nath - Circuits, Systems, and Signal Processing, 2024‏ - Springer
This research proposes a novel design for a current feedback instrumentation amplifier
(CFIA) with a high common mode rejection ratio (CMRR) and programmable gain for diverse …

A compact QRS detection system based on 0.79 μW analog CMOS energy-of-derivative circuit

RS Silva, ARP Neto, JLB Marques, O Kavehei… - Microelectronics …, 2021‏ - Elsevier
We propose a novel QRS detection system consisting of compact and low-power blocks: an
analog energy-of-derivative operator, comparator, and a refractory period timer. The goal is …