Nonlinear analysis of a high-power oscillator inductively coupled to an external resonator

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URI: http://hdl.handle.net/10902/21917
ISSN: 1531-1309
ISSN: 1558-1764
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Autoría
Ardila Acuña, Víctor ÁngelAutoridad Unican; Ramírez Terán, Franco ArielAutoridad Unican; Suárez Rodríguez, AlmudenaAutoridad Unican
Fecha
2021-06
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© 2021 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 Microwave and Wireless Components Letters, 2021, 31(6), 737-740
IEEE/MTT-S International Microwave Symposium (IMS), Atlanta, GA, USA, 2021
Editorial
Institute of Electrical and Electronics Engineers, Inc.
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Palabras clave
Bifurcation
Inductive coupling
Oscillator
Resumen/Abstract
This contribution presents a detailed nonlinear analysis of a high-power oscillator that is inductively coupled to an external resonator for power transfer applications. The analytical formulation of a cubic nonlinearity oscillator enables the derivation of the maximum transferred power and the value of the coupling factor at which the oscillation is extinguished. Then, a simple procedure to obtain a Class-E oscillator from an initial high efficiency oscillator is presented. The solution curves versus the coupling factor and the elements of the external resonator are easily obtained from the extraction of a bi-variate nonlinear admittance function accounting for the oscillator circuit, which is combined with the passive admittance of the coupled resonator. Very good correspondence has been obtained between simulation and measured results.
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