Analysis of noise and dynamical effects in zero-IF self-oscillating mixers

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URI: http://hdl.handle.net/10902/24171
ISBN: 978-1-6654-0307-8
ISBN: 978-1-6654-3141-5
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Autoría
Pontón Lobete, María IsabelAutoridad Unican; Sancho Lucio, Sergio MiguelAutoridad Unican; Herrera Guardado, AmparoAutoridad Unican; Suárez Rodríguez, AlmudenaAutoridad Unican
Fecha
2021
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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/MTT-S International Microwave Symposium (IMS), Atlanta, Georgia, USA, 2021, 180-183
Editorial
Institute of Electrical and Electronics Engineers, Inc.
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Palabras clave
Injection-locking
Noise analysis
Envelope transient
Resumen/Abstract
Zero-IF self-oscillating mixers (SOMs), based on injection locking, enable a compact direct frequency conversion and substantially mitigate the phase noise problem of heterodyne SOMs. Despite these advantages, their operation is complex and susceptible to exhibit a variety of dynamical effects. Here the need for an optimum selection of the operation point in the static injection-locked curve is demonstrated, as well as the inability of the oscillator to follow the variations of the input signal from a certain modulation frequency. Then a noise analysis of the downconverted signal is presented, based on a conversion-matrix formalism applied to a semi-analytical formulation.
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