E.V. Naidenov - Post-graduate Student, Assistant, Department of Electronics and Microprocessor Engineering, Smolensk branch of «National Research University «MPEI» E-mail: nzettez@gmail.com L.L. Ljamets - Ph. D. (Eng.), Associate Professor, Department of Electronics and Microprocessor Engineering, Smolensk branch of «National Research University «MPEI» E-mail: lll190965@yandex.ru I.V. Yakimenko - Dr. Sc. (Eng.), Associate Professor, Department of Electronics and Microprocessor Engineering, Smolensk branch of «National Research University «MPEI» E-mail: jakigor@rambler.ru