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Low power CMOS circuit design for R wave detection and shaping in ECG

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Title: Low power CMOS circuit design for R wave detection and shaping in ECG

Authors: D. Hari Priya, A. S. C. S. Sastry, K. S. Rao

Journal: ARPN Journal of Engineering and Applied Sciences

HEC Recognition History
Category From To
Y 2023-07-01 2024-09-30
Y 2022-07-01 2023-06-30
Y 2021-07-01 2022-06-30
X 2020-07-01 2021-06-30

Publisher: Khyber Medical College, Peshawar

Country: Pakistan

Year: 2016

Volume: 11

Issue: 24

Language: English

Categories
Electrical Engineering (5972) Signal Processing (1285) ECG (7) Low Power Circuits (2) Biomedical Engineering (2453)

Abstract

R wave is an important morphological feature in ECG which plays a vital role in identifying Cardiac arrhythmias. A band pass filter is used to detect QRS complex which after rectification is shaped into a 200ms square pulse utilizing comparator circuit with auto threshold. This is implemented in 180nm technology and is simulated using Cadence Virtuoso. The circuit is tested with simulated ECG with heart beat ranging from 40 beats/min to 200 beats/min with an operating voltage of 0.4V and total power measured is 3.997µW.

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