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Vol. 214, Issue 7, July 2017, pp. 64-68




Parametric Analysis of Input Circuits of Galvanostatic Type Impedance Measuring Transducers

1 Barylo Grygoriy, 1 Mykytyuk Zinoviy, 1 Holyaka Roman, 2 Vistak Maria, 1 Virt Volodymyr and 1 Vezyr Fedir

1 Lviv Polytechnic National University, 12 S. Bandera str., Lviv, 79013, Ukraine
2 Danylo Halytsky Lviv National Medical University, 69 Pekarska str., Lviv, 79010, Ukraine
1 Tel.: +380 67 933 9233

E-mail: vistak_maria@ukr.net, fedvezur@gmail.com


Received: 1 June 2017 /Accepted: 12 July 2017 /Published: 31 July 2017

Digital Sensors and Sensor Sysstems


Abstract: The main approaches of parametric analysis of impedance measuring transducers on the base of SPICE modeling are considered in paper. In the modeling process, the galvanostatic measurement method is used, which is on the base of the determination of the ratio and phase delay between the voltage and the harmonic current with the specified amplitude and frequency. As a result of simulation, the possibility of significant increase of the measurement transformation accuracy is found by means of modifying the input circuits of the impedance measuring transducers.


Keywords: Galvanostatic type, Impedance spectroscopy, Measuring transducer, Nyquist diagram, Parametric analysis, SPICE model.


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