Четыре новых генератора на базе трансимпедансного усилителя

Автор(и)

  • П. Чандра Шакер журнал "Известия вузов. Радиоэлектроника", India
  • А. Сринивасулу JECRC университет, India https://orcid.org/0000-0001-6254-7990

DOI:

https://doi.org/10.20535/S0021347017050028

Ключові слова:

трансимпедансный усилитель, операционный усилитель с токовой обратной связью, разработка аналоговых интегральных схем, генератор в режиме тока, генератор синусоидального сигнала

Анотація

В статье представлены четыре новых генератора сигналов синусоидальной формы, построенные на базе трансимпедансного усилителя (ТИУ). Первая предложенная схема представляет собой генератор с одним ТИУ и небольшим количеством пассивных компонентов. Вторая и третья предложенные схемы содержат один ТИУ и несколько пассивных компонентов, среди которых два пассивных элемента соединены с общим проводом. В этих схемах контроль условия генерации и частоты генерируемого сигнала осуществлен независимо. Четвертая схема представляет собой квадратурный генератор с двумя ТИУ в качестве активных элементов и несколько внешних пассивных элементов для генерации колебаний. Для реализации предложенных схем в лабораторных условиях выбрана ИС AD 844 AN с внешними пассивными компонентами. Результаты компьютерного моделирования с помощью программы SPICE и результаты лабораторных испытаний представлены для подтверждения теоретического анализа предложенных схем.

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Опубліковано

2017-05-29

Як цитувати

Шакер, П. Ч., & Сринивасулу, А. (2017). Четыре новых генератора на базе трансимпедансного усилителя. Вісті вищих учбових закладів. Радіоелектроніка, 60(5), 262–273. https://doi.org/10.20535/S0021347017050028

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