A.A. Shvachko - Post-graduate Student, Yuri Gagarin State Technical University of Saratov. E-mail: alexandr1899@gmail.com A.A. Zakharov - Dr. Sc. (Eng.), Professor, Head of Department «Electronic devises and equipment», Yuri Gagarin State Technical University of Saratov. E-mail: zaharov@sstu.ru A.M. Samylkin - Ph. D. (Eng.), Head of Department, JSC «SPE «Almaz» (Saratov)

A.A. Shvachko – Post-graduate Student, Yuri Gagarin State Technical University of Saratov

E-mail: alexandr1899@gmail.com

A.A. Zakharov – Dr. Sc. (Eng.), Professor, Head of Department «Electronic Instruments and Devices»,  Yuri Gagarin State Technical University of Saratov

E-mail: zaharov@sstu.ru

A.A. Shvachko1, A.A. Potapov2, Z.N. Jihad3

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