A novel technique for the CMRR improvement in a portable ECG system

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Abstract

This paper presents a new technique to improve the quality of the ECG signals, increasing the Common Mode Rejection Ratio (CMRR). We developed a portable wireless Bluetooth ECG system able to acquire 12 leads, communicating with Smartphones and PCs. Many experiments have been made for measuring CMRR decay due to the difference on skin-electrodes impedances, the asymmetries of the amplifiers input stages and external components. Using some digital potentiometers, the system is able to compensate for these, increasing the CMRR of about 18 dB.
Lingua originaleEnglish
Titolo della pubblicazione ospiteLecture Notes in Electrical Engineering
Pagine219-225
Numero di pagine7
Stato di pubblicazionePublished - 2017

Serie di pubblicazioni

NomeLECTURE NOTES IN ELECTRICAL ENGINEERING

All Science Journal Classification (ASJC) codes

  • Industrial and Manufacturing Engineering

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