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0410U001557,
к.т.н.
19-02-2010
o
The signal transducers of the electric capacity sensor devices on the base solid state integrated circuits of low voltage rail-to-rail operational amplifiers
Gelzynskyy Igor Igorovich,
popup.head Hotra Zenon Yuriyovich
popup.opponent Годованюк Василь Миколайович
popup.opponent Вербицький Володимир Григорович
Дисертацію присвячено особливостям застосування операційних підсилювачів rail-to-rail типу в сигнальних перетворювачах мікроелектронних сенсорних пристроїв ємнісного типу. Такі сенсорні пристрої є одними з найбільш складних з точки зору схемної реалізації, що обумовлено необхідністю вимірювати з високою точністю електричну ємність первинного перетворювача сенсорного пристрою. Принципово новизною rail-to-rail операційних підсилювачів є інтегрування у вхідному колі двох каскадів на взаємно протилежному за типом провідності низькопорогових МДН транзисторах, що дозволило вирішити проблему розширення розмаху вхідного та вихідного сигналів практично до величини напруги живлення схеми. В дисертації створено математичну модель rail-to-rail операційного підсилювача, дано аналіз стабільності таких операційних підсилювачів в схемах ємнісних драйверів, розроблено та досліджено низку вузлів сигнальних перетворювачах мікроелектронних сенсорних пристроїв ємнісного типу.
2010-02-19
2020-04-04
Updated: 2025-12-07
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