Comparative analysis of promising current sources for electrical impedance tomography in an extended frequency range

Authors

  • G. V. Timoshenko National Technical University of Ukraine, Kyiv Politechnic Institute, Kiev
  • E. V. Gaydayenko National Technical University of Ukraine, Kyiv Politechnic Institute, Kiev http://orcid.org/0000-0001-8660-5067

DOI:

https://doi.org/10.20535/RADAP.2012.51.115-121

Keywords:

impedance tomography, current source, complex resistance, Howland circuit, phase shift, the active feedback

Abstract

Iintroduction: Features of biological impedance meters are listed and requirements for their current sources are formed. Formulation of the problem: A review of existing current sources and puts forward proposals to explore the parameters of some of them and the current source on a fully integrated differential amplifier with active feedback. Methods of research and analysis of the results: Describes the method of measuring the parameters of current sources, critically reviewed the results and recommendations for the use of these sources. Conclusion: The accomplishments and weaknesses of the investigated sources, given ways to improve their parameters are considered.

Author Biographies

G. V. Timoshenko, National Technical University of Ukraine, Kyiv Politechnic Institute, Kiev

M.S., Postgraduate Student

E. V. Gaydayenko, National Technical University of Ukraine, Kyiv Politechnic Institute, Kiev

M.S., Postgraduate Student

References

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Visnyk NTUU "KPI". Serija Radiotehnika, Radioaparatobuduvannja, 2012, no. 50, pp. 92-104.

Published

2012-12-05

How to Cite

Тимошенко, Г. and Гайдаєнко, Є. (2012) “Comparative analysis of promising current sources for electrical impedance tomography in an extended frequency range”, Visnyk NTUU KPI Seriia - Radiotekhnika Radioaparatobuduvannia, 0(51), pp. 115-121. doi: 10.20535/RADAP.2012.51.115-121.

Issue

Section

Radioelectronics Medical Technologies