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Analysis of Dual-mode Resonators from Transmission Line Segments

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Abstract

Three groups of resonance equations for various resonators on transmission lines (TL) with lumped elements are proposed. They are based on a two-port network parameters. Using these equations, it is established that a third of all resonant frequencies in the known dual-mode stub resonators analyzed using even and odd modes, were not previously taken into account. The proposed equations made it possible to design two new dual-mode resonators from TL segments with all short-circuited ends, which are practically useful. It is shown that the widely used method of even-odd modes cannot be used to describe the properties of new resonators. In the same time, these proposed resonance equations describe new properties of some dual-mode resonators. In particular, dual-mode resonators with a quarter-wave stub, in addition to dual-mode oscillations, also have single-mode oscillations. These two types of oscillations alternate with each other. In contrast, only dual-mode oscillations exist in short-stub resonators. Theoretical results are confirmed by EM simulation.

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Authors and Affiliations

  1. National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnic Institute”, Kyiv, Ukraine

    Sergii N. Litvintsev & A. V. Zakharov

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  1. Sergii N. Litvintsev
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Correspondence to Sergii N. Litvintsev.

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ADDITIONAL INFORMATION

S. N. Litvintsev and A. V. Zakharov

The authors declare that they have no conflicts of interest.

This article does not contain any studies with human participants or animals performed by any of the authors.

The initial version of this paper in Russian is published in the journal “Izvestiya Vysshikh Uchebnykh Zavedenii. Radioelektronika,” ISSN 2307-6011 (Online), ISSN 0021-3470 (Print) on the link http://radio.kpi.ua/article/view/S0021347022040033 with DOI: https://doi.org/10.20535/S0021347022040033

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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii. Radioelektronika, No. 4, pp. 222-237, April, 2022 https://doi.org/10.20535/S0021347022040033 .

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Litvintsev, S.N., Zakharov, A.V. Analysis of Dual-mode Resonators from Transmission Line Segments. Radioelectron.Commun.Syst. 65, 186–199 (2022). https://doi.org/10.3103/S0735272722040033

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