Browsing by Author "Heredia Vega, Julio César"
Heredia Vega, Julio César; Ribó Pal, Miquel; Pradell i Cara, Lluís (Institution of Electrical Engineers, 2018-05-03)
Open AccessA novel three-line-microstrip compact impedance tuner is presented. It is based on a multimodal structure wherein six variable capacitances, implemented with two parallel-connected varactors each, create multiple interactions ...
Heredia Vega, Julio César (Universitat Politècnica de Catalunya, 2019-09-27)
Open AccessNowadays, there has been an increased use of mobile devices and growth in the need for information, and because of this, wireless systems with higher data rates and wider bandwidths are demanded every year. Additionally, ...
Pradell i Cara, Lluís; Girbau Sala, David; Ribó Pal, Miquel; Casals Terré, Jasmina; Lázaro Guillén, Antonio; Contreras Lizárraga, Adrián; Llamas Morote, Marco Antonio; Heredia Vega, Julio César; Giacomozzi, Flavio; Margesin, Benno (IntechOpen, 2018-07-18)
Part of book or chapter of book
Open AccessRadio frequency microelectromechanical system (RF-MEMS) switches have demonstrated superior electrical performance (lower loss and higher isolation) compared to semiconductor-based devices to implement reconigurable microwave ...
RF-MEMS switches for a full control of the propagating modes in uniplanar microwave circuits and their application to reconfigurable multimodal microwave filters Contreras Lizarraga, Adrián Arturo; Casals Terré, Jasmina; Pradell i Cara, Lluís; Ribó i Pal, Miquel; Heredia Vega, Julio César; Giacomozzi, Flavio; Margesin, Benno (2017-03-29)
Open AccessIn this paper, new RF-MEMS switch configurations are proposed to enable control of the propagating (even and odd) modes in multimodal CPW transmission structures. Specifically, a switchable air bridge (a switchable ...