B.M. Kats - Ph. D. (Eng.), Head of Department, NIKA-Microwave, Ltd (Saratov) E-mail: brs19520@yandex.ru A.V. Vorobiev - Engineer, NIKA-Microwave, Ltd (Saratov) E-mail: alexvorxx@mail.ru V.P. Meschanov - Dr. Sc. (Eng.), Honored Scientist of RF, Professor, Director of NIKA-Microwave, Ltd (Saratov) E-mail: nika373@bk.ru