A.V. Volkov - Ph.D. (Eng.), Associate Professor, Kaluga Branch of MSTU named after N.E. Bauman. E-mail: volkovkfmgtu@yandex.ru I.K. Ustinov - Ph.D. (Eng.), Head of Department, Kaluga Branch of MSTU named after N.E. Bauman. E-mail: m4kf-kafedra@rambler.ru V.V. Prasitskiy - Dr.Sc. (Eng.), Director, Ltd «Ekolyum-Voschod». E-mail: sintel40@yandex.ru S.S. Strelchenko - Dr.Sc. (Eng.), Professor, Kaluga Branch of MSTU named after N.E. Bauman. E-mail: stas40@kaluga.ru

A.T. Klyuchnikov - Ph.D. (Eng.), Associate Professor, Department «Electrical Engineering and Electromechanics», Perm National Research Polytechnic University. E-mail: aklu2011@pstu.ru A.D. Korotaev - Ph.D. (Eng.), Associate Professor, Department of «Electrical Engineering and Electromechanics», Perm National Research Polytechnic University. E-mail: lis@pstu.ru D.A. Chirkov - Assistant, Department «Electrical Engineering and Electromechanics», Perm National Research Polytechnic University. E-mail: chirkov146@mail.ru

A.A. Shvachko - Post-graduate Student, Yuri Gagarin State Technical University of Saratov E-mail: alexandr1899@gmail.com A.A. Zaharov - Dr. Sc. (Eng.), Professor, Head of Department «Electronic Devises and Equipment», Yuri Gagarin State Technical University of Saratov E-mail: zaharov@sstu.ru I.N. Afonin - Post-graduate Student, Yuri Gagarin State Technical University of Saratov E-mail: pi_3.141@mail.ru Ya.V. Turkin - Post-graduate Student, Yuri Gagarin State Technical University of Saratov E-mail: turkin.yaroslav@gmail.com

A.V. Soldatov1, O.G. Sukhareva2, S.N. Afanasyev3

1–3 JSC «SPE «Radiosvyaz» (Krasnoyarsk, Russia)

3 afanasev2000@bk.ru