D. A. Bukhtiyarov - Undergraduate Student, Department of Radio receivers and transmitters, Novosibirsk State Technical University. E-mail: ghostandfound@mail.ru
A. P. Gorbachev - Dr.Sc. (Eng.), Professor, Department of Radio receivers and transmitters, Novosibirsk State Technical University. E-mail: apgor@ngs.ru
A. V. Shvedova - Post-graduate Student, Department of Radio receivers and transmitters, Novosibirsk State Technical University. E-mail: annsh21@mail.ru
A.A. Skvortsov – Ph. D. (Eng.), Associate Professor, Department «Electronics and telecommunications», Yuri Gagarin State Technical University of Saratov