An energy-efficient circuit for online detection of R-and P-waves from ECG signals in analog domain

F Morshedlou, AA Orouji, N Ravanshad - Measurement, 2024 - Elsevier
A low-power and low-area circuit is proposed for online detection of the R-and P-waves in
ECG signals. The proposed circuit is implemented in the analog domain, which means no …

An energy-efficient analog circuit for detecting QRS complexes from ECG signal

F Morshedlou, AA Orouji, N Ravanshad - Integration, 2023 - Elsevier
In this paper, an analog current-mode circuit with low power consumption and low area is
designed and implemented to detect the QRS complexes from the ECG signal. An efficient …

A First-Order Derivative-Based QRS-Detection Circuit in Time Domain for Wireless ECG Sensors

A Karimlou, M Yavari - … Transactions on Circuits and Systems II …, 2023 - ieeexplore.ieee.org
A novel low-power first-order derivative-based QRS-detection circuit is presented in this
brief. The low-power performance is achieved by employing a time-based differentiator …

Cost-effective schemes for minimizing the delay dispersion of the comparator in level-crossing ADCs applications

M Morsi, M Atef, SM Ramzy - Microelectronics Journal, 2022 - Elsevier
In this paper, a cost-effective scheme is presented to reduce the delay dispersion of the
comparator in level crossing analog-to-digital converters (LC-ADCs). The proposed scheme …

A 59 pA/V and 62 nW differential OTA with 0.35% THD for biomedical applications

RS Silva, LH Rodovalho, JLB Marques… - Journal of Integrated …, 2021 - jics.org.br
This paper presents a novel differential pA/V Operational Transconductance Amplifier (OTA)
topology. The circuit is suitable for the implementation of fully integrated operational …

A Comparison of Classifiers for Epileptic Seizure Prediction Based on Heart Rate Variability

RS Silva, CR Rodrigues, R Walz… - Latin American Conference …, 2022 - Springer
Epilepsy is a neurological disorder characterized by recurrent seizures due to abnormal
discharges in cortical networks of the brain. A seizure prediction method with a low false …