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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">sibsutis</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник СибГУТИ</journal-title><trans-title-group xml:lang="en"><trans-title>The Herald of the Siberian State University of Telecommunications and Information Science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-6920</issn><publisher><publisher-name>СибГУТИ</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">sibsutis-298</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group></article-categories><title-group><article-title>Разработка микрополоскового направленного ответвителя уменьшенных размеров</article-title><trans-title-group xml:lang="en"><trans-title>Development of microstrip directional coupler of reduced dimensions</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Летавин</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Letavin</surname><given-names>D. A.</given-names></name></name-alternatives><email xlink:type="simple">d.а.letavin@urfu.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff xml:lang="ru" id="aff-1"><institution>Уральский федеральный университет</institution><country>Russian Federation</country></aff><pub-date pub-type="collection"><year>2018</year></pub-date><pub-date pub-type="epub"><day>24</day><month>10</month><year>2022</year></pub-date><volume>0</volume><issue>2</issue><fpage>32</fpage><lpage>38</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Летавин Д.А., 2022</copyright-statement><copyright-year>2022</copyright-year><copyright-holder xml:lang="ru">Летавин Д.А.</copyright-holder><copyright-holder xml:lang="en">Letavin D.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://vestnik.sibsutis.ru/jour/article/view/298">https://vestnik.sibsutis.ru/jour/article/view/298</self-uri><abstract><p>Разработан компактный трехшлейфный мост с использованием микрополосковых ячеек, установленных вместо традиционных четвертьволновых отрезков. С помощью программы электродинамического моделирования AWR DE 13 были получены его частотные характеристики. Изготовлен опытный образец предлагаемого моста и измерены его характеристики, которые подтверждают работоспособность устройства. Площадь компактного моста получилась на 74 % меньше по сравнению с площадью традиционной конструкции.</p></abstract><trans-abstract xml:lang="en"><p>A compact coupler was developed using microstrip cells installed instead of traditional quarter-wave segments. Using the program of electrodynamic modeling AWR DE 13, its frequency characteristics were obtained. A prototype of the proposed coupler is made, and its characteristics are measured confirming the operability of the device. The area of the compact coupler turned out to be 74 % less than the area of the traditional construction.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>микрополосковая линия</kwd><kwd>трехшлейфный мост</kwd><kwd>миниатюризация</kwd><kwd>микрополосковая ячейка</kwd></kwd-group><kwd-group xml:lang="en"><kwd>microstrip line</kwd><kwd>three-channel bridge</kwd><kwd>miniaturization</kwd><kwd>microstrip cell</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Щетинин H. H., Мельник В. А. Компактный микрополосковый 3 дБ квадратурный направленный ответвитель // Вестник Воронежского института ФСИН России. 2014. № 4. С. 26-28.</mixed-citation><mixed-citation xml:lang="en">Щетинин H. H., Мельник В. А. Компактный микрополосковый 3 дБ квадратурный направленный ответвитель // Вестник Воронежского института ФСИН России. 2014. № 4. 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