A systematic method to design broadband matching networks

Aurora Andújar, Jaume Anguera, Carles Puente

    Producción científica: Capítulo del libroContribución a congreso/conferenciarevisión exhaustiva

    22 Citas (Scopus)

    Resumen

    The narrow bandwidth (BW) associated to small antennas featured by a high quality factor (Q) can be enhanced by the addition of a matching network. However, the impedance matching is a difficult and time-consuming process since it depends on the ability of the designer for selecting that suitable matching architecture that achieves the best trade-off between BW, complexity and implementation. In this paper, a systematic method for broadening the BW of handset antennas is proposed. The method is focused on those antennas whose input impedance near the first resonance can be modeled as an RLC series circuit. In order to develop the proposal, a mathematical analysis is carried out using a simple electrical model and the theoretical results are validated through simulations and by an experimental process. As a result, a systematic method for designing matching networks with a good balance between complexity and BW enhancement is obtained. Thus, the method described herein ensures one half of Fano's limit BW increment through a simple and methodic matching design.

    Idioma originalInglés
    Título de la publicación alojadaEuCAP 2010 - The 4th European Conference on Antennas and Propagation
    EstadoPublicada - 2010
    Evento4th European Conference on Antennas and Propagation, EuCAP 2010 - Barcelona, Espana
    Duración: 12 abr 201016 abr 2010

    Serie de la publicación

    NombreEuCAP 2010 - The 4th European Conference on Antennas and Propagation

    Conferencia

    Conferencia4th European Conference on Antennas and Propagation, EuCAP 2010
    País/TerritorioEspana
    CiudadBarcelona
    Período12/04/1016/04/10

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