"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki ISSN 1684-1719, N 7, 2017

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Measuring complex for determination electromagnetic characteristics of materials by resonator method using scalar chain analyzers

 O. A. D’yakonova, Yu. N. Kazantsev D. S. Kalenov

Kotel’nikov Institute of RadioEngineering and Electronics of Russian Academy of sciences, Vvedensky sq. 1, Fryazino Moscow region, 141190, Russia


The paper is received on June 27, 2017


Abstract. In this paper we consider an automated complex of several experimental setups for the measurement of dielectric permittivity and magnetic permeability of samples of small size in the frequency range 2.6 to 33 GHz. Measurements are performed at fixed frequencies. The main devices used scalar analyzers of circuits of the type R-2 modified digital output to a personal computer. The central measuring unit is a resonator of rectangular cross section associated with the supply line through the coupling element. The diaphragm connection is a thin metal plate with a slit or a round hole connection. The walls of the resonator are small holes through which the resonator introduces samples of the test material. Hole for measuring the magnetic permeability is located on the narrow wall of the resonator near the short end of the reflector (the end surface). The second hole, designed to measure the dielectric constant, is made in the wide wall of the resonator at a distance of quarter wavelength from the end surface. The system operates at resonance method of measurement. The installation of the complex is assembled according to a scheme that operates "on reflection". The effectiveness is demonstrated by measuring the characteristics of real materials. A comparison of the obtained results with the data of independent studies. Conformity of results obtained by two different methods, using different measuring instruments is quite satisfactory.

Key words: scalar network analyzers, transmission coefficients, permittivity, permeability, resonance method.


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For citation:

 O. A. D’yakonova, Yu. N. Kazantsev D. S. Kalenov. Measuring complex for determination electromagnetic characteristics of materials by resonator method using scalar chain analyzers. Zhurnal Radioelektroniki - Journal of Radio Electronics, 2017, No. 7. Available at http://jre.cplire.ru/jre/jul17/7/text.pdf. (In Russian)