Ring generators: analysis, characteristics and application
- 1 д.т.н., доцент, директор, УФИРЭ имени В.А. Котельникова РАН; зав. базовой кафедрой «Радиотехника, опто- и наноэлектроника», УлГТУ в УФИРЭ имени В.А. Котельникова РАН
- 2 вед. инженер, УФИРЭ имени В.А. Котельникова РАН; соискатель, базовая кафедра «Радиотехника, опто- и наноэлектроника», УлГТУ в УФИРЭ имени В.А. Котельникова РАН
Abstract
The principles and basic technical characteristics of ring oscillators have been described. The expression for the frequency of oscillation of a complementary metal oxide semiconductor delay cell based conventional ring oscillator is presented and propagation delay of the delay stages is calculated. The limitations of a conventional ring oscillator have been studied and a few techniques to overcome these limitations have been mentioned. In this context, some modified structures of ring oscillators such as negative skewed delay ring oscillators, multi feedback ring oscillators and coupled ring oscillators are described for high frequency oscillation. The effect of noise sources on the output of ring oscillators has also been studied. Some potential applications of such ring oscillator based on its voltage tuning characteristics and multiphase outputs are also mentioned.
How to cite
Сергеев В.А., Тетенькин Я.Г. Кольцевые генераторы: принципы построения, характеристики и применение // Успехи современной радиоэлектроники. 2015. № 12. С. 77–92.
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