S.V. Drozdetskiy - Post-graduate Student, Department of Electronics and Microprocessor Technology, Smolensk branch of «National Research University «MPEI». E-mail: thrush007@yandex.ru I.A. Kruglikov - Post-graduate Student, Department of Electronics and Microprocessor Technology, Smolensk branch of «National Research University «MPEI». E-mail: ilja-k90@mail.ru A.O. Shiriaev - Ph. D. (Eng.), Associate Professor, Department of Electronics and Microprocessor Technology, Smolensk branch of «National Research University «MPEI» I.V. Jakimenko - Dr. Sc. (Eng.), Associate Professor, Department of Electronics and Microprocessor Technology, Smolensk branch of «National Research University «MPEI». E-mail: jakigor@rambler.ru