S.P. Skobelev¹, K.M. Sidorov²

1 PJSC «Radiofizika» (Moscow, Russia)

1,2 Moscow Institute of Physics and Technology (National Research University) (Dolgoprudny, Russia)

A novel network is proposed for excitation of planar overlapped subarrays with contour radiation patterns in modular phased array antennas designed for beam scanning in a limited area of observation. The network comprices one-by-seven power dividers, directional couplers connecting the nearest output ports of adjacent dividers in pairs, blocks with pairs of looped circuits involving directional couplers, and seven-element blocks of radiators. The proposed network allows forming planar overlapped subarrays of seven blocks of radiators. Complex amplitudes of excitation of the subarray radiators derived from the parameters of the network are determined by two parameters corresponding to directional couplers connecting the nearest modules and directional couplers available in the looped circuits. Optimization of the indicated parameters is carried out and some results calculated for the subarray factor characterizing capabilities of the proposed network in shaping contour subarray radiation pattern are presented and discussed.

Skobelev S.P., Sidorov K.M. A network for excitation of planar overlapped subarrays with contour radiation patterns. Radiotekhnika. 2021. V. 85. № 4. P. 15−23. DOI: https://doi.org/10.18127/j00338486-202104-03 (In Russian)

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