Switched-capacitor self-oscillating capacitance transducers with duty-cycle or digital output

A. Cichocki, R. Unbehauen

Результат исследований: Вклад в журналСтатья конференциирецензирование

1 Цитирования (Scopus)

Аннотация

A current trend in the design of integrated transducers is the increasing demand for transducers which are directly able to communicate with microprocessors. The only analog output signals which are suited for such transducers are pulse-width (PWM) and frequency modulated (FM) signals. Such signals can easily be digitized by counting periods. Moreover, the signals can easily be transmitted over long distances. This paper is devoted to switched-capacitor (SC) capacitance transducers with pulse-width (duty-cycle) modulated square-wave output voltages. A pulse-width modulation (PWM) signal can be regarded as an intermediate step between analog and digital signals. Such an analog signal can be delivered to a microprocessor without any extra interfacing. We will discuss the realization of SC capacitance transducers.

Язык оригиналаАнглийский
Страницы (с-по)185-189
Число страниц5
ЖурналIEE Conference Publication
Номер выпуска308
СостояниеОпубликовано - 1989
Опубликовано для внешнего пользованияДа
СобытиеEuropean Conference on Circuit Theory and Design - Brighton, Engl
Продолжительность: 5 сент. 19898 сент. 1989

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