Circuit Design for a Wireless ECG Device
Wireless Electrocardiogram (WiECG)
P.J. Wiersma (TU Delft - Electrical Engineering, Mathematics and Computer Science)
R.G. van Krieken (TU Delft - Electrical Engineering, Mathematics and Computer Science)
WA Serdijn – Mentor (TU Delft - Bio-Electronics)
Andrea Neto – Graduation committee member (TU Delft - Tera-Hertz Sensing)
A. Boru – Graduation committee member (TU Delft - Delft Centre for Entrepreneurship)
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Abstract
WiECG aims to create a prototype device which enable ambulance personnel to perform a 12-lead ECG without wires connecting the patient to the monitor. The proposed solution consists of a transmitter and a receiver device. The transmitter transmits the measured signals, the receiver sends the measured signals to the monitor, which shows the measured signals.
This thesis describes the design and implementation process for the hardware. This concerns the amplification and filtering of the signals produced by the heart of the patient as well as the reconstruction
and attenuation at the output of the receiver module. These processes should be done for 9 signals. Furthermore, component selection, design decisions and the process of implementing this analog signal processing on a printed circuit board is described including the interfaces with the modules used by the other subgroups of this thesis. The prototype built during this project was able to filter the 9 signals and send it from transmitter to receiver while only adding 1.572 V RMS noise to the output ECG signal.