The Analysis of the Phase Noise of the Closed-Loop Driver Circuit in Micromechanical Gyroscope Based on the Phase-Locked Principle

Guan Shi Wang; Xiao Wei Liu

doi:10.4028/www.scientific.net/AMR.981.526

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 981The Analysis of the Phase Noise of the Closed-Loop...

The Analysis of the Phase Noise of the Closed-Loop Driver Circuit in Micromechanical Gyroscope Based on the Phase-Locked Principle

Abstract:

Compared with the closed-loop drive circuit in micromechanical gyroscope of AGC principle, the closed-loop driver circuit based on the phase locked principle can overcome its shortcomings which cannot control the frequency characteristics of the output signal, reducing the frequency deviation and the frequency jitter of the output signal, and shortening the settling time of the closed-loop drive system. In this paper, the noise of the closed-loop phase drive circuit based on phase locked principle is analyzed and deduced its phase noise expressions.

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Periodical:

Advanced Materials Research (Volume 981)

Pages:

526-529

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.981.526

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Online since:

July 2014

Authors:

Guan Shi Wang*, Xiao Wei Liu

Keywords:

Closed-Loop, Micromechanical Gyroscope, Phase Noise

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