V.A. Senchurov – Ph. D. (Eng.), Associate Professor, Department «Electronic Instruments and Devices»,  Yuri Gagarin State Technical University of Saratov

E-mail: senchurov_v86@mail.ru

V.Yu. Muchkaev – Ph. D. (Eng.), Associate Professor, Department «Electronic Instruments and Devices»,  Yuri Gagarin State Technical University of Saratov

E-mail: muchkaev_vadim@mail.ru