Common-mode feedback in electrical impedance tomography.

@article{Rosell1992CommonmodeFI,
  title={Common-mode feedback in electrical impedance tomography.},
  author={J. Rosell and P. J. Riu},
  journal={Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics},
  year={1992},
  volume={13 Suppl A},
  pages={
          11-4
        }
}
  • J. Rosell, P. J. Riu
  • Published in
    Clinical physics and…
    1992
  • Medicine
  • When a current is injected into a body, in addition to the voltage profile developed on the surface, a common-mode voltage (CMV) which produces errors in the measurement also appears. The great accuracy needed to reconstruct images in electrical impedance tomography (EIT) requires the use of differential amplifiers with a high common-mode rejection ratio (CMRR) to avoid this error. Nevertheless, the effective CMRR is lower than the differential amplifier ratio due to mismatches in the electrode… CONTINUE READING

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