Improving the pass-band return loss in liquid crystal dual-mode bandpass filters by microstrip patch reshaping

Torrecilla Rosell, Javier; Urruchi del Pozo, Virginia; Sánchez Pena, José Manuel; Bennis, Noureddine; García Lampérez, Alejandro; Segovia Vargas, Daniel

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Improving the pass-band return loss in liquid crystal dual-mode bandpass filters by microstrip patch reshaping

Author(s): Torrecilla Rosell, Javier; Urruchi del Pozo, Virginia; Sánchez Pena, José Manuel; Bennis, Noureddine; García Lampérez, Alejandro; Segovia Vargas, Daniel

Publisher: MDPI

Issued date: 2014-06-13

Citation: Torrecilla, J., Urruchi, V., Sánchez-Pena, J.M., Bennis, N., García, A., Segovia, D. (2014). Improving the Pass-Band Return Loss in Liquid Crystal Dual-Mode Bandpass Filters by Microstrip Patch Reshaping. Materials, 7 (6), pp. 4524-4535

ISSN: 1996-1944

DOI: https://doi.org/10.3390/ma7064524

Sponsor: Authors acknowledge Grupo de Fotónica Aplicada (Universidad Politécnica de Madrid, Spain) for the use of their facilities for the manufacture of the device. Authors thank funding support from the Spanish Ministerio de Economía y Competitividad (grant No. TEC2009-13991-C02-01) and Comunidad de Madrid (grant No. FACTOTEM2 S2009/ESP/1781).

Project: Gobierno de España. TEC2009-13991-C02-01
Comunidad de Madrid. S2009/ESP-1781/FACTOTEM2

Keywords: Dual-mode filters , Inverted-microstrip structure , Liquid crystals , Microwave frequencies , Tunable devices , Microstrip filters , Anisotropic property , Device performance , Dual-mode bandpass filter , Dual-mode filter , Experimental characterization , Liquid crystal technology , Microstrip band-pass filter , Bandpass filters

URI: http://hdl.handle.net/10016/27941

Rights: © 2014 by the authors; licensee MDPI, Basel, Switzerland.
Atribución-NoComercial-SinDerivadas 3.0 España

Abstract:

In this paper, the design and experimental characterization of a tunable microstrip bandpass filter based on liquid crystal technology are presented. A reshaped microstrip dual-mode filter structure has been used in order to improve the device performance. Spe [+]

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