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A 32-electrode data collection system for electrical impedance tomography

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3 Author(s)
Koukourlis, C.S. ; Dept. of Electr. Eng, Demokritos Univ. of Thace, Xanthi, Greece ; Kyriacou, G.A. ; Sahalos, J.

A 32-electrode data collection system for electrical impedance tomography (ETT) is presented. In this system, the demodulator is a multiplexed sample and hold (S&H) circuit followed by a voltage difference stage. This configuration provides high CMRR due to the low (almost DC) operating frequency of the signals the difference stage is required to process.

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Biomedical Engineering, IEEE Transactions on  (Volume:42 ,  Issue: 6 )