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.A. Shvachko − Ph.D.(Eng.), Associate Professor, 

Department of Electronic Devices, Yuri Gagarin State Technical University of Saratov

E-mail. Alexandr1899@gmail.com

A.A. Zakharov – Dr.Sc.( Eng.), Professor, 

Department of Electronic Devices, Yuri Gagarin State Technical University of Saratov

E-mail: zaharov@sstu.ru 

A.A. Potapov - Postgraduate Student, 

Department of Electronic Devices, Yuri Gagarin State Technical University of Saratov

E-mail: potapov_andrey13@mail.ru

A.A. Shvachko1, N.J. Zulfikar2, V.V. Matyushkin3

1−3 Yuri Gagarin State Technical University of Saratov (Saratov, Russia)

1alexandr1899@gmail.com, 2zulfikarsgu@mail.ru, 3vladisla7@mail.ru