A Low-Cost Fluid Switch for Frequency-Reconfigurable Vivaldi Antenna

Cristina Borda-Fortuny, Kin Fai Tong, Allann Al-Armaghany, Kai Kit Wong

Producció científica: Article en revista indexadaArticleAvaluat per experts

43 Cites (Scopus)


A fluid switch is proposed for a frequency-agile Vivaldi antenna whose operating frequency band can be switched between two selected bands. A study of various ionized solutions of different concentrations is performed. A 2 mol KCl solution is selected as the fluid for the switch because of its relatively good properties in conductivity, relative permittivity, and loss tangent. The fluid-switched reconfigurable Vivaldi antenna can function well between two user-defined operating bands: 3.2 and 4.5 GHz with stable measured gain of 11 dBi in both bands and an isolation of 15 dB. This reconfigurable antenna demonstrates that a low-cost fluid switch may be an alternative device for reconfigurable antenna designs providing more flexibility.

Idioma originalAnglès
Número d’article8105795
Pàgines (de-a)3151-3154
Nombre de pàgines4
RevistaIEEE Antennas and Wireless Propagation Letters
Estat de la publicacióPublicada - 10 de nov. 2017
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