R.O. Ryazantsev – Senior Lecturer, Siberian Federal University (Krasnoyarsk) E-mail:ryazantsevro@mail.ru

Y.P. Salomatov – Ph.D. (Eng.), Professor, Head of Department, Siberian Federal University (Krasnoyarsk) E-mail:ysalomatov@sfu-kras.ru

A.A. Popovich – Deputy General Director, JSC «SPE «Radiosviaz» (Krasnoyarsk) E-mail:a.a.popovich@yandex.ru

The paper presents the results of the development of antenna array beam-forming arrangement, which is based on ridge waveguide. Wide bandwidth behavior, dense adjacent waveguide outputs arrangement in dividing plane are achieved because of both waveguide kind choice and design solution. It allows to avoid diffraction lobes appearance in the antenna array pattern and to design beam- forming arrangement with transition to electrically wide TEM-waveguide.

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