Nonlinear analysis of cycle slips in injection-locked oscillators

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URI: http://hdl.handle.net/10902/9970
ISBN: 978-1-4799-3870-4
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Autoría
Sancho Lucio, Sergio MiguelAutoridad Unican; Suárez Rodríguez, AlmudenaAutoridad Unican; Ramírez Terán, Franco ArielAutoridad Unican
Fecha
2014
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© 2014 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Publicado en
IEEE MTT-S International Microwave Symposium (IMS), Tampa (Florida), 2014, 1009-1011
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IEEE
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Palabras clave
Cycle slips
Injection-locked oscillators
Nonlinear stochastic analysis
Synchronization
Resumen/Abstract
A method is presented for the analysis of cycle slips in injection-locked oscillators. This nonlinear phenomenon gives rise to a temporal desynchronization between the injected oscillator and the input source due to noise perturbations. It involves very different time scales, so even envelope-transient based Monte Carlo analyses may suffer from high computational cost. The method presented is based on the extraction of a semi-analytical nonlinear model of the injected oscillator. This reduced order model enables an efficient stochastic analysis of this oscillator, based on the use of the associated Fokker-Planck equation in the phase probability density. The analysis allows predicting the parameter-space regions that are best protected against cycle slips. The method has been applied to an injection-locked oscillator at 5 GHz, with good agreement with commercial software simulations and measurements.
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