"JOURNAL OF RADIO ELECTRONICS" (Zhurnal Radioelektroniki ISSN 1684-1719, N 4, 2018

contents of issue      DOI  10.30898/1684-1719.2018.4.5     full text in Russian (pdf)  

Analysis of the impact of microsecond electromagnetic interference on computer equipment through the power supply network

R. M. Gizatullin, E. A. Huziyahmetova, M. S. Shkinderov, O. V. Chernov

Kazan National Research Technical University named after A.N. Tupolev - KAI, 10 Karl Marx Str., Kazan 420111, Russia

 

 The paper is received on March 28, 2018 

 

Abstract. The problem of noise immunity of computer equipment under electromagnetic influences through the power supply network is considered. To effectively increase the noise immunity of computers, it is necessary to determine the main ways of penetrating electromagnetic interference from the power supply network to its elements. The paper identifies three main ways of penetrating electromagnetic interference through a secondary power supply source of computer equipment. Layouts have been developed to assess the contribution of each of the paths. A stand was proposed for a quantitative assessment of the contribution of these paths to the formation of a common electromagnetic interference. The results of measuring electromagnetic interference at the output of a secondary power supply source for computer equipment are obtained. It is revealed that, mainly, the considered microsecond electromagnetic interference from the power supply network penetrates to the elements of computer equipment due to parasitic capacitances of the elements. In conductive propagation, electromagnetic interference from the power supply network, depending on its energy, is absorbed in the input network filter or leads to physical destruction of its elements.

Key words: electromagnetic interference, power supply network, computer equipment, experiment, simulation.

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For citation:
R. M. Gizatullin, E. A. Huziyahmetova, M. S. Shkinderov, O. V. Chernov. Analysis of the impact of microsecond electromagnetic interference on computer equipment through the power supply network. Zhurnal Radioelektroniki - Journal of Radio Electronics. 2018. No. 4. Available at http://jre.cplire.ru/jre/apr18/5/text.pdf

DOI  10.30898/1684-1719.2018.4.5