Search academic texts

Information × Registration Number 0119U100622, ( 0222U001481  ) R & D request Title Creation of the theory and circuit solutions of non-minimal-phase planar filters with mixed couplings for telecommunications Head Zakharov Olexander V., Доктор технічних наук Registration Date 14-02-2019 Organization National Technical University of Ukraine "Igor Sikorsky Kyiv Polytechnic Institute" popup.description1 The purpose of the research work is to study the laws of combined electromagnetic interaction in planar non-minimum phase filters with mixed couplings and develop on their basis the theory and practice of building a new generation of filters with improved characteristics for telecommunications. The research work is aimed at the development of a new promising direction in the construction of planar non-minimal phase filters for telecommunications, based on previous studies by the authors of this work. This direction requires further development in both theoretical and practical terms. Studies of this work are complex, they provide a solution to a number of tasks: - study of mixed coupling coefficients between resonators of various configurations in microstrip structures; - study of mixed coupling coefficients between resonators of various configurations in strip structures; - study of mixed coupling coefficients between resonators of various configurations in quasi-strip structures with an air gap; - identification of patterns and the establishment of quantitative ratios in planar non-minimal phase filters of the third and fourth orders with mixed bonds; - construction of planar non-minimal-phase filters of the third and fourth orders with improved characteristics; - identification of patterns and the establishment of quantitative ratios in the cascade connection of planar non-minimum phase filters with mixed third-and fourth-order couplings; - identification of patterns, the establishment of quantitative ratios for the general case of a cascade connection of nonminimally phase filters with mixed couplings, the construction of such filters; - creation of the theory of planar non-minimal-phase filters with mixed bonds. - creation of a separate circuit solution (patent) for a small-sized filter for the communications station of the Ground Forces; - production and testing of a prototype filter for a communications station of the Ground Forces. popup.nrat_date 2024-12-10 Close