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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Journal of Communications Technology and Electronics</journal-id><journal-title-group><journal-title xml:lang="en">Journal of Communications Technology and Electronics</journal-title><trans-title-group xml:lang="ru"><trans-title>Радиотехника и электроника</trans-title></trans-title-group></journal-title-group><issn publication-format="print">0033-8494</issn><issn publication-format="electronic">3034-5901</issn><publisher><publisher-name xml:lang="en">The Russian Academy of Sciences</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">692010</article-id><article-id pub-id-type="doi">10.7868/S3034590125070052</article-id><article-categories><subj-group subj-group-type="toc-heading"><subject>ЭЛЕКТРОНИКА СВЧ</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Construction of peripheral area of fingers of power RF LDMOS transistor</article-title><trans-title-group xml:lang="ru"><trans-title>Конструктивное исполнение периферийного участка пальцев мощных сверхвысокочастотных латеральных транзисторов</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Alekseev</surname><given-names>R. P.</given-names></name><name xml:lang="ru"><surname>Алексеев</surname><given-names>Р. П.</given-names></name></name-alternatives><email>arp@niiet.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Prolubnikov</surname><given-names>P. V.</given-names></name><name xml:lang="ru"><surname>Пролубников</surname><given-names>П. В.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Maltsev</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Мальцев</surname><given-names>В. В.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kurshev</surname><given-names>P. L.</given-names></name><name xml:lang="ru"><surname>Куршев</surname><given-names>П. Л.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Tsotsorin</surname><given-names>A. N.</given-names></name><name xml:lang="ru"><surname>Цоцорин</surname><given-names>А. Н.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Semeykin</surname><given-names>I. V.</given-names></name><name xml:lang="ru"><surname>Семейкин</surname><given-names>И. В.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">JSC “Scientific Research Institute of Electronic”</institution></aff><aff><institution xml:lang="ru">АО «Научно-исследовательский институт электронной техники»</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2025-07-15" publication-format="electronic"><day>15</day><month>07</month><year>2025</year></pub-date><volume>70</volume><issue>7</issue><issue-title xml:lang="en">VOL 70, NO7 (2025)</issue-title><issue-title xml:lang="ru">ТОМ 70, №7 (2025)</issue-title><fpage>664</fpage><lpage>671</lpage><history><date date-type="received" iso-8601-date="2025-10-04"><day>04</day><month>10</month><year>2025</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2025, Russian Academy of Sciences</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2025, Российская академия наук</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="en">Russian Academy of Sciences</copyright-holder><copyright-holder xml:lang="ru">Российская академия наук</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/" start_date="2026-07-15"/></permissions><self-uri xlink:href="https://innoscience.ru/0033-8494/article/view/692010">https://innoscience.ru/0033-8494/article/view/692010</self-uri><abstract xml:lang="en"><p>A review and study of the design options for the peripherals of RF LDMOS transistor fingers has been carried out. The study was carried out by means of 3D modeling in Sentaurus TCAD. As a result, the design variants allowing to provide the level of the drain-source breakdown voltage at the periphery not lower than in the working part of the finger were determined.</p></abstract><trans-abstract xml:lang="ru"><p>Проведен обзор и исследование вариантов конструктивного исполнения периферийных участков пальцев СВЧ LDMOS транзисторов. Исследование проводилось посредством 3D моделирования в САПР Sentaurus TCAD. Определены варианты конструкции, позволяющие обеспечить уровень напряжения пробоя сток-исток на периферии не ниже, чем в рабочей части пальца.</p></trans-abstract><kwd-group xml:lang="en"><kwd>power RF transistors</kwd><kwd>LDMOS</kwd><kwd>transistor finger periphery</kwd><kwd>modeling</kwd><kwd>Sentaurus TCAD</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>мощные СВЧ транзисторы</kwd><kwd>LDMOS-технология</kwd><kwd>периферия транзисторных пальцев</kwd><kwd>моделирование</kwd><kwd>Sentaurus TCAD</kwd></kwd-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Алексеев Р.П., Цоцорин А.Н., Черных М.И. // Электроника НТБ. 2020. Т. 00195. № 4. С. 98.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Алексеев Р.П., Семейкин И.В., Цоцорин А.Н., Куршев П.Л. // Электроника НТБ. 2023. Т. 00223. № 2. 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