Journal of the Semiconductor & Display Technology (반도체디스플레이기술학회지)

The Korean Society Of Semiconductor & Display Technology (한국반도체디스플레이기술학회)
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Implementation of a Mini ECG Using a Digital Filter

디지털 필터를 이용한 소형 심전도계의 구현

  • An, Jonghyun (Dept. of Electronic Engineering, Soonchunhyang University) ;
  • Kim, Kiwan (Dept. of Electrical and Electronic Engineering, Chungnam State University)
  • 안종현 (순천향대학교 전자공학과) ;
  • 김기완 (충남도립대학교 전기전자공학과)
  • Received : 2021.05.26
  • Accepted : 2021.06.18
  • Published : 2021.06.30
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Abstract

In this paper, a low-csst ECG system using a digital filter was implemented. After amplifying the analog ECG signal, it is converted into a digital signal and filtered. The developed ECG module is miniaturized by removing the analog filter element that occupies the existing volume and replacing it with a digital filter using a 3-stage Butterworth filter which is one of IIR filters. It uses a serial monitoring program with C# to check and save the ECG waveform measured on a computer screen. The ECG system using a developed digital filter in this paper uses a low-cost processor instead of an expensive, high-end processor, and its size and price are reduced by converting the analog filter to a digital filter. In addition, since the waveform of the developed ECG system is similar to the actual ECG waveform of MIT-BIU, it is considered that the existing analog filter can be replaced with the developed digital filter.

Keywords

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