디지털 필터를 이용한 소형 심전도계의 구현Implementation of a Mini ECG Using a Digital Filter
- Other Titles
- Implementation of a Mini ECG Using a Digital Filter
- Authors
- 안종현; 김기완
- Issue Date
- 2021
- Publisher
- 한국반도체디스플레이기술학회
- Keywords
- ECG; Digital Filter; Low-cost; Small-size; IIR Filter
- Citation
- 반도체디스플레이기술학회지, v.20, no.2, pp.77 - 81
- Journal Title
- 반도체디스플레이기술학회지
- Volume
- 20
- Number
- 2
- Start Page
- 77
- End Page
- 81
- URI
- https://scholarworks.bwise.kr/sch/handle/2021.sw.sch/19180
- ISSN
- 1738-2270
- 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.
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