Thermal and flicker phase noise analysis in rotary traveling-wave oscillator |
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Authors: | Soolmaz Abbasalizadeh Mohsen Javadi Hossein Miar-Naimi |
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Affiliation: | Department of Electrical and Computer Engineering, Babol Noshirvani University of Technology, Babol, Iran |
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Abstract: | This paper analyzes the thermally induced phase noise and the up-conversion of flicker noise into phase noise of rotary traveling-wave oscillator (RTWO). Based on the analyses, this paper extracts the closed-form formulas for the thermal and flicker phase noise of the RTWO. This paper compares the theoretical results with appropriate simulations to evaluate the accuracy of the derived closed-form formulas. Comparisons confirm the accuracy of the extracted phase noise formulas. By using the presented straightforward approach along with accurate phase noise formulas, the designers can understand the RTWO ' s design tradeoffs. Also, they can design the RTWO for a specific phase noise without needing lengthy simulations. |
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Keywords: | Adler's equation flicker noise up-conversion phase noise rotary traveling-wave oscillator thermal phase noise weak injection method |
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