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

Department «Electronic devices and systems engineering», Yuri Gagarin State Technical University of Saratov E-mail: zaharov@sstu.ru

A.S. Bankovsky – Ph.D.(Phys.-Math.), Associate Professor, 

Department «Electronic devices and systems engineering», Yuri Gagarin State Technical University of Saratov

A.A. Abrosimov – Master Student,  

Department «Electronic devices and systems engineering», Yuri Gagarin State Technical University of Saratov

E-mail: sjkm0667@gmail.com