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Eliminating 1/f noise in oscillators

Kenig, Eyal and Cross, M. C. (2014) Eliminating 1/f noise in oscillators. Physical Review E, 89 (4). Art. No. 042901. ISSN 1539-3755. https://resolver.caltech.edu/CaltechAUTHORS:20140501-094645965

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Abstract

We study 1/f and narrow-bandwidth noise in precision oscillators based on high-quality factor resonators and feedback. The dynamics of such an oscillator are well described by two variables, an amplitude and a phase. In this description we show that low-frequency feedback noise is represented by a single noise vector in phase space. The implication of this is that 1/f and narrow-bandwidth noise can be eliminated by tuning controllable parameters, such as the feedback phase. We present parameter values for which the noise is eliminated and provide specific examples of noise sources for further illustration.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1103/PhysRevE.89.042901DOIArticle
http://journals.aps.org/pre/abstract/10.1103/PhysRevE.89.042901PublisherArticle
Additional Information:© 2014 American Physical Society. Received 1 November 2013; revised manuscript received 20 March 2014; published 2 April 2014. This research was supported by DARPA through the DEFYS program.
Funders:
Funding AgencyGrant Number
DARPA DEFYS ProgramUNSPECIFIED
Issue or Number:4
Classification Code:PACS: 05.45.−a, 84.30.−r
Record Number:CaltechAUTHORS:20140501-094645965
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140501-094645965
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:45403
Collection:CaltechAUTHORS
Deposited By: Jason Perez
Deposited On:01 May 2014 18:00
Last Modified:03 Oct 2019 06:30

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