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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">bsuir</journal-id><journal-title-group><journal-title xml:lang="ru">Доклады БГУИР</journal-title><trans-title-group xml:lang="en"><trans-title>Doklady BGUIR</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1729-7648</issn><issn pub-type="epub">2708-0382</issn><publisher><publisher-name>БГУИР</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.35596/1729-7648-2024-22-5-33-42</article-id><article-id custom-type="elpub" pub-id-type="custom">bsuir-3979</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>Схемотехническое моделирование воздействия тяжелых заряженных частиц на переходные процессы в биполярных аналоговых микросхемах</article-title><trans-title-group xml:lang="en"><trans-title>Circuit Modeling of the Impact of Heavy Charged Particles on Transient Processes in Bipolar Analog Microcircuits</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>Дворников</surname><given-names>О. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Dvornikov</surname><given-names>O. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Дворников О. В., д-р техн. наук, доц., гл. науч. сотр.</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Dvornikov O. V., Dr. of Sci. (Tech.) Associate Professor, Principal Researcher</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Чеховский</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Tchekhovski</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чеховский В. А., зав. лаб. электронных методов и средств эксперимента</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Tchekhovski V. A., Head of the Electronic Methods and Experiment Means Laboratory</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ловшенко</surname><given-names>И. Ю.</given-names></name><name name-style="western" xml:lang="en"><surname>Lovshenko</surname><given-names>I. Yu.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Ловшенко Иван Юрьевич, зав. науч.-исслед. лаб. «Компьютерное проектирование микро- и наноэлектронных систем» (НИЛ 4.4)</p><p>6220013, г. Минск, ул. П. Бровки, 6</p><p>Тел.: +375 17 293-88-90</p></bio><bio xml:lang="en"><p>Lovshenko Ivan Yur’evich, Head of the Research Laboratory “CAD in Micro- and Nanoelectronics” (R&amp;D Lab. 4.4)</p><p>220013, , P. Brovki St., 6</p><p>Tel.: +375 17 293-88-90</p></bio><email xlink:type="simple">lovshenko@bsuir.by</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нгуен</surname><given-names>Чонг Тхань</given-names></name><name name-style="western" xml:lang="en"><surname>Nguyen</surname><given-names>Trong Thanh</given-names></name></name-alternatives><bio xml:lang="ru"><p>Чонг Тхань Нгуен, асп. каф. микро- и наноэлектроники</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Trong Thanh Nguyen, Postgraduate of Micro- and Nanoelectronics Department</p><p>Minsk</p></bio><xref ref-type="aff" rid="aff-3"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>ОАО «Минский научно-исследовательский приборостроительный институт»</institution></aff><aff xml:lang="en"><institution>JSC “Minsk Research Instrument-Making Institute”</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт ядерных проблем Белорусского государственного университета</institution></aff><aff xml:lang="en"><institution>Institute for Nuclear Problems of Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Белорусский государственный университет информатики и радиоэлектроники</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>24</day><month>10</month><year>2024</year></pub-date><volume>22</volume><issue>5</issue><fpage>33</fpage><lpage>42</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Дворников О.В., Чеховский В.А., Ловшенко И.Ю., Нгуен Ч.Т., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Дворников О.В., Чеховский В.А., Ловшенко И.Ю., Нгуен Ч.Т.</copyright-holder><copyright-holder xml:lang="en">Dvornikov O.V., Tchekhovski V.A., Lovshenko I.Y., Nguyen T.T.</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://doklady.bsuir.by/jour/article/view/3979">https://doklady.bsuir.by/jour/article/view/3979</self-uri><abstract><p>Одним из факторов, вызывающих потерю работоспособности интегральных микросхем космических аппаратов, является воздействие тяжелых заряженных частиц. Попадание их в электронные устройства приводит к появлению одиночных переходных процессов (коротких токовых импульсов), которые в аналоговых микросхемах проявляются в искажении формы выходных сигналов, а в цифровых микросхемах могут вызвать одиночный сбой. В статье рассмотрена методика схемотехнического моделирования воздействия тяжелых заряженных частиц на биполярные аналоговые микросхемы, включающая разработанную эквивалентную электрическую схему биполярного транзистора для LTSpice и порядок проведения моделирования переходных процессов. Несмотря на принятые упрощения, а именно – отсутствие учета зависимости длительности фронта нарастания и спада генерируемого заряженной частицей токового импульса от параметров транзисторной структуры, на допущения о том, что весь заряд генерируется в активной базе и областях пространственного заряда эмиттерного и коллекторного переходов, – разработанная эквивалентная схема позволила определить, что форма коллекторного токового импульса схемы с общим эмиттером при воздействии тяжелой заряженной частицы определяется быстродействием транзистора и его режимом работы. С применением разработанной методики определены «критические» транзисторы двух изученных аналоговых микросхем, а также обоснована необходимость шунтирования токозадающих резисторов конденсатором небольшой емкости.</p></abstract><trans-abstract xml:lang="en"><p>One of the factors causing the failure of spacecraft integrated circuits is exposure to heavy charged particles. The entry of heavy charged particles into electronic devices leads to the appearance of single event transients (short current pulses), which in analog microcircuits manifest themselves in distortion of the output signal shape, and in digital microcircuits can cause a single event upset. The article discusses a technique for circuit mode-ling of the eﬀect of heavy charged particles on bipolar analog microcircuits, including the developed equivalent electrical circuit of a bipolar transistor for LTSpice and the procedure for modeling transient processes. Despite the simpliﬁcations adopted, namely: failure to take into account the dependence of the duration of the rise and fall of the current pulse generated by a charged particle on the parameters of the transistor structure, the assumption that the entire charge is generated in the active base and the space charge regions of the emitter and collector junctions, an equivalent circuit has been developed made it possible to determine that the shape of the collector current pulse for circuit with a common emitter when exposed to a heavy charged particle is determined by the speed of the transistor and its operating mode. Using the developed methodology, the “critical” transistors of the two studied analog microcircuits were determined, and the need to bypass the current-setting resistors with a small capacitor was justiﬁed.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>проникающая радиация</kwd><kwd>одиночные переходные процессы</kwd><kwd>линейная передача энергии</kwd><kwd>радиационная стойкость</kwd></kwd-group><kwd-group xml:lang="en"><kwd>penetrating radiation</kwd><kwd>single event transients</kwd><kwd>linear energy transfer</kwd><kwd>radiation resistance</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">Perez, R. Methods for Spacecraft Avionics Protection Against Space Radiation in the Form of Single-Event Transients / R. Perez // IEEE Transactions on Electromagnetic Compatibility. 2008. Vol. 50, No 3. 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