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A high-selectivitywaveguide bandpassfilter withinterferencesuppression by morethan 120 dB inrejection band Belyaev B. A.Serzhantov A. M.Leksikov A. A.2023 год

A high-selectivity waveguide bandpass filter with interference suppression by more than 120 dB in rejection band
статья из журнала

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База данных: Каталог библиотеки СФУ
Библиографическое описание: A high-selectivity waveguide bandpass filter with interference suppression by more than 120 dB in rejection band : научное издание / Belyaev B. A. [et al.]. - Текст : непосредственный // Technical Physics Letters. - 2023. - Т. 49, № 5. - P. 72. - ISSN 1063-7850. - ISSN 1090-6533, DOI 10.21883/tpl.2023.05.56034.19541.
Аннотация: <jats:p> The design of a 10th-order waveguide bandpass filter with an additional inductive cross-coupling between non-adjacent resonators has been proposed and studied. An inductive coupling is formed by a U-shaped conductor structure with grounded ends that is formed in the filter cover. This method of cross-coupling organization ensures not only the temperature stability of the characteristics, but also the manufacturability of the structure. The high selectivity of the device is achieved by both the attenuation poles located near the passband, as well as the level of suppression in the stopbands, exceeding 120 dB. The passband loss of the fabricated filter is ~ 0.8 dB at its central frequency f<jats:sub>0</jats:sub>=18.2 GHz and relative bandwidth Delta f/f<jats:sub>0</jats:sub>=1.5%. The small dimensions (135x 30x 10 mm) and the weight of about 200 g of the device, with simultaneously high electrical characteristics show the promise of its use, for example, in on-board and ground-based space communication systems Keywords: bandpass filter, waveguide, resonator, cross-coupling. </jats:p>
Год издания: 2023
Авторы: Belyaev B. A. , Serzhantov A. M. , Leksikov A. A. , Bal’va Ya. F. , Alexandrovsky A.A. , Galeev R. G.
Издательство: Физико-технический институт им. А.Ф. Иоффе РАН, Saint-Petersburg
Источник: Technical Physics Letters
Выпуск: Т. 49, № 5
Номера страниц: 72
Держатель оригинала документа: Kirensky Institute of Physics, Federal Research Center KSC SB, Russian Academy of Sciences, Krasnoyarsk, Russia, Siberian State University of Science and Technology, Krasnoyarsk, Russia
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