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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">10.35596/1729-7648-2023-21-6-29-36</article-id><article-id custom-type="elpub" pub-id-type="custom">bsuir-3788</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>ЭЛЕКТРОНИКА, РАДИОФИЗИКА, РАДИОТЕХНИКА, ИНФОРМАТИКА</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>ELECTRONICS, RADIOPHYSICS, RADIOENGINEERING, INFORMATICS</subject></subj-group></article-categories><title-group><article-title>Проектирование BJT-JFET операционных усилителей на базовом матричном кристалле</article-title><trans-title-group xml:lang="en"><trans-title>Design of BJT-JFET Operational Amplifiers on the Master Slice Array</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>Кунц</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Kunts</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кунц Алексей Вадимович, асп., мл. науч. сотр. лаборатории электронных методов и средств эксперимента</p><p>220013, г. Минск, ул. П. Бровки, 6</p><p>Tel.: +375 44 726-30-92</p></bio><bio xml:lang="en"><p>Kunts Aliaksei Vadimovich, Postgraduate; Junior Researcher at the Electronic Methods and Experiment Means Laboratory</p><p>220013, Minsk, P. Brovki St., 6</p><p>Tel.: +375 44 726-30-92</p></bio><email xlink:type="simple">alexeykunts97@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><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>д-р техн. наук, доц., гл. науч. сотр.</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Oleg V. Dvornikov, Dr. of Sci. (Tech.), Associate Professor, Principal Researcher</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>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>зав. лаб. «Электронные методы и средства эксперимента»</p><p>г. Минск</p></bio><bio xml:lang="en"><p>Vladimir A. Tchekhovski, Head of the Laboratory “Electronic Methods and Experiment Means”</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>Белорусский государственный университет информатики и радиоэлектроники; Институт ядерных проблем Белорусского государственного университета</institution></aff><aff xml:lang="en"><institution>Belarusian State University of Informatics and Radioelectronics; Institute for Nuclear Problems of Belarusian State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>ОАО «Минский научно-исследовательский приборостроительный институт»</institution></aff><aff xml:lang="en"><institution>Open Joint Stock Company “Minsk Research Instrument-Making Institute”</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><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><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>04</day><month>01</month><year>2024</year></pub-date><volume>21</volume><issue>6</issue><fpage>29</fpage><lpage>36</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кунц А.В., Дворников О.В., Чеховский В.А., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Кунц А.В., Дворников О.В., Чеховский В.А.</copyright-holder><copyright-holder xml:lang="en">Kunts A.V., Dvornikov O.V., Tchekhovski V.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://doklady.bsuir.by/jour/article/view/3788">https://doklady.bsuir.by/jour/article/view/3788</self-uri><abstract><p>Рассмотрено применение расположенных на базовом матричном кристалле МН2ХА031 двухзатворных полевых транзисторов, управляемых p–n-переходом, для уменьшения входного тока операционных усилителей. Проанализированы типовые схемы операционных усилителей, содержащие: истоковые повторители, соединенные с входами операционного усилителя на комплементарных биполярных транзисторах; входной дифференциальный каскад на p-JFET с нагрузкой в виде «токового зеркала» на n–p–n-транзисторах; входной дифференциальный каскад в виде «перегнутого каскода» на p-JFET. Для максимального уменьшения входного тока рекомендовано применение следящей обратной связи, поддерживающей напряжение сток-исток входных JFET на малом уровне, не зависящем от входного синфазного напряжения, и соединение с входом операционного усилителя только верхнего затвора двухзатворного полевого транзистора. Приведены электрические схемы для элементов МН2ХА031 и результаты схемотехнического моделирования разработанных усилителей, названных OAmp10J, OAmp11.1, OAmp11.2. Учет при схемотехническом проектировании установленных особенностей входных каскадов и режимов работы активных элементов позволит создать операционный усилитель с требуемым сочетанием основных параметров.</p></abstract><trans-abstract xml:lang="en"><p>The use of dual-gate field-effect transistors located on the base matrix crystal MH2XA031, controlled by a p–n junction needed to reduce the input current of operational amplifiers is studied. Typical circuits of operational amplifiers, containing: source repeaters connected to the inputs of the operational amplifier on complementary bipolar transistors; input differential stage on p-JFET with a “current mirror” load on n–p–n-transistors; input differential in the form of a “folded cascode” on a p-JFET are analyzed. To minimize the input current, it is re commended to use bootstrapped feedback to keep the drain-to-source voltage of the input JFETs low, independent of the input common-mode voltage, and to connect only the top gate of the dual-gate JFET to the op-amp input. The electrical circuits for MH2XA031 elements and the results of circuit simulation of the developed amplifiers, called OAmp10J, OAmp11.1, OAmp11.2, are presented. Accounting the established features of the input stages and operating modes of active elements in circuit design will allow to create an operational amplifier with the required combination of basic parameters.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>операционный усилитель</kwd><kwd>полевые транзисторы</kwd><kwd>p–n-переходы</kwd><kwd>базовый матричный кристалл</kwd><kwd>двухзатворные транзисторы</kwd></kwd-group><kwd-group xml:lang="en"><kwd>operational amplifier</kwd><kwd>field effect transistors</kwd><kwd>p–n junctions</kwd><kwd>basic matrix crystal</kwd><kwd>two-gate transistors</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">Быстродействующие широкополосные операционные усилители на базовом матричном кристалле / О. В. Дворников [и др.] // Известия вузов. Электроника. 2023. Т. 28, № 1. С. 96–111.</mixed-citation><mixed-citation xml:lang="en">Dvornikov O. 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