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A general theory of phase noise in electrical oscillators (1998)
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| Venue: | IEEE J. SOLID-STATE CIRCUITS |
| Citations: | 263 - 16 self |
BibTeX
@ARTICLE{Hajimiri98ageneral,
author = {Ali Hajimiri and Thomas H. Lee},
title = {A general theory of phase noise in electrical oscillators},
journal = {IEEE J. SOLID-STATE CIRCUITS},
year = {1998},
pages = {179--194}
}
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Abstract
A general model is introduced which is capable of making accurate, quantitative predictions about the phase noise of different types of electrical oscillators by acknowledging the true periodically time-varying nature of all oscillators. This new approach also elucidates several previously unknown design criteria for reducing close-in phase noise by identifying the mechanisms by which intrinsic device noise and external noise sources contribute to the total phase noise. In particular, it explains the details of how 1=f noise in a device upconverts into close-in phase noise and identifies methods to suppress this upconversion. The theory also naturally accommodates cyclostationary noise sources, leading to additional important design insights. The model reduces to previously available phase noise models as special cases. Excellent agreement among theory, simulations, and measurements is observed.
Keyphrases
phase noise electrical oscillator general theory close-in phase noise time-varying nature new approach identifies method special case quantitative prediction unknown design criterion total phase noise available phase noise model excellent agreement index term jitter general model oscillator stability oscillator noise different type intrinsic device noise external noise source phase jitter additional important design insight cyclostationary noise source
