Yu.N. Parshin - Dr. Sc. (Eng.), Professor, Head of Radio Devices Department, Ryazan State Radio Engineering University. E-mail: parshin.y.n@rsreu.ru
A.Yu. Parshin - Assistant, Radio Devices Department, Ryazan State Radio Engineering University. E-mail: alex90fox@gmail.com
S.I. Gusev - Ph. D. (Eng.), Associate Professor, Department Radioengineering Devices, Ryazan State Radio Engineering University. E-mail: s.i.gusev@inbox.ru
Yu.N. Parshin - Dr. Sc. (Eng.), Professor, Head of Department "Radioengineering Devices", Ryazan State Radio Engineering University. E-mail: parshin.y.n@rsreu.ru