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논문 및 소자 리뷰

ECG (Electrocardiography) Measuring Circuit [Programming]

<PSPICE>

1) Instrumental Amplifier

[PSPICE Circuit]
[Simulation Graph]

 

2) High Pass Active Filter

[PSPICE Circuit]
[Simulation Graph]

 

3) Positive Gain Block & Low Pass Filter

[PSPICE Circuit]
[Simulation Graph: Positive Gain Block]
[Simulation Graph: Low Pass Filter]

 

4) 60Hz Notch Filter

[PSPICE Circuit]

 

[Simulation Graph & Q-Value]

5) Band Pass Filter for QRS Detection

[PSPICE Circuit]

 

[Simulation Graph & Q-Value]

6) Absolute Value Circuit for QRS Detector

[PSPICE Circuit]
[Simulation Graph]

7) Low Pass Filter for Removing Noises

[PSPICE Circuit]
[Simulation Graph]

<Phython>

> Original Signal of ECG: It could be seen that the signal was not clean and had a lot of noises. (PhysioNet에서 ECG signal sample을 다운로드할 수 있음)