Realization of Complex Impedance Measurement System Based on the Integrated Circuit AD5933

Author

Simic, Mitar

Author_Institution

NORTH Group, NORTH Point Ltd., Subotica, Serbia

fYear

2013

fDate

26-28 Nov. 2013

Firstpage

573

Lastpage

576

Abstract

This paper describes realization of complex impedance measurement system based on integrated circuit AD5933. AD5933 is controlled by ATmega128 which performs all calculations and creates report for off-line analysis on PC. Created report of measured values of impedance magnitude and phase angle is stored on micro SD card in format which is compatible with MS Excel. Realized device is equipped with self-calibration system which ensures high accuracy in wide impedance range. Device also has alphanumeric LCD for displaying results. Realized system can be used for sensor or complex impedance measurements, structural health monitoring, noninvasive blood impedance measurements, electro-impedance spectroscopy, etc.

Keywords

display instrumentation; electric impedance measurement; liquid crystal displays; signal processing equipment; AD5933 integrated circuit; ATmega128; MS Excel; alphanumeric LCD; complex impedance measurement system; off-line analysis; self-calibration system; Accuracy; Biomedical measurement; Frequency measurement; Impedance; Impedance measurement; Phase measurement; Resistors; AD5933; complex impedance; microcontrollers; sensors;

fLanguage

English

Publisher

ieee

Conference_Titel

Telecommunications Forum (TELFOR), 2013 21st

Conference_Location

Belgrade

Print_ISBN

978-1-4799-1419-7

Type

conf

DOI

10.1109/TELFOR.2013.6716294

Filename

6716294