Ara es mostren els items 2-11 de 11

    • Conmutadores RF-MEMS de baja tensión 

      Contreras Lizarraga, Adrián Arturo; Casals Terré, Jasmina; Pradell i Cara, Lluís; Colpo, Sabrina; Iannacci, Jacopo; Ribó, Miquel; Giacomozzi, Flavio (2012)
      Text en actes de congrés
      Accés obert
      This work shows experimental results of capacitive and ohmic RF-MEMS switches with low actuation voltage. The isolation of capacitive switches is better than 20 dB from 15 GHz and up to 80 GHz according to simulations. ...
    • Dynamic customer virtual network reconfiguration with QoS constraints and bandwidth guarantees 

      Asensio Carmona, Adrian; Ruiz Ramírez, Marc; Contreras Lizarraga, Adrián Arturo; Velasco Esteban, Luis Domingo; Junyent Giralt, Gabriel (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      An algorithm for Customer Virtual Network (CVN) reconfiguration with QoS constraints and bandwidth guarantees is presented. An MPLS virtual network supporting CVNs is pre-planned or dynamically reconfigured. Exhaustive ...
    • Filtro uniplanar multimodal reconfigurable 

      Contreras Lizarraga, Adrián Arturo; Ribó, M.; Pradell i Cara, Lluís (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A uniplanar filter based on two coplanar-waveguide odd-mode resonators is presented. The resonator feeding point is easily reconfigured using PIN diodes. As a result, the filter features reconfigurable bandwidth. A multimodal ...
    • K-band RF-MEMS uniplanar reconfigurable-bandwidth bandpass filter using multimodal immittance inverters 

      Contreras Lizarraga, Adrián Arturo; Ribó i Pal, Miquel; Pradell i Cara, Lluís; Casals Terré, Jasmina; Giacomozzi, Flavio; Iannacci, Jacopo (Institution of Electrical Engineers, 2013-05-23)
      Article
      Accés restringit per política de l'editorial
      A K-band RF-MEMS uniplanar second-order bandpass filter with reconfigurable bandwidth is presented. The filter is based on inductively-coupled half-wavelength slotline resonators and CPW-slotline multimodal immittance ...
    • Low voltage capacitive and Ohmic RF-MEMS Switches 

      Contreras Lizarraga, Adrián Arturo; Casals Terré, Jasmina; Pradell i Cara, Lluís; Giacomozzi, Flavio; Colpo, Sabrina; Iannacci, Jacopo; Ribó, Miquel (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work presents experimental results of capacitive and ohmic-contact RF-MEMS switches. The suspension has been designed to compensate stress-gradient effects, and to obtain low pull-in voltages. The measured actuation ...
    • Modelado circuital multimodal de un resonador pasobanda reconfigurable 

      Contreras Lizarraga, Adrián Arturo; Ribó, Miquel; Pradell i Cara, Lluís (2010)
      Text en actes de congrés
      Accés obert
      In this work, we present a simple uniplanar bandpass resonator that can be used for the development of reconfigurable uniplanar filters. The multimodal behaviour of the coplanar waveguide is taken into account for the ...
    • Multimodal microwave filters 

      Contreras Lizarraga, Adrián Arturo (Universitat Politècnica de Catalunya, 2013-11-29)
      Tesi
      Accés obert
      This thesis presents the conception, design and implementation of new topologies of multimodal microwave resonators and filters, using a combination of uniplanar technologies such as coplanar waveguide (CPW), coplanar ...
    • Reduced-length uniplanar bandpass filters based on coplanar-waveguide-slotline tees 

      Contreras Lizarraga, Adrián Arturo; Pradell i Cara, Lluís; Ribó i Pal, Miquel; Blondy, Pierre (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the design and implementation of multimodal uniplanar bandpass filters which use loaded coplanar-waveguide-slotline tees in the slotline resonators to reduce the filter length. The tees are theoretically ...
    • 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)
      Article
      Accés obert
      In 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 ...
    • Uniplanar bandpass filters based on multimodal immitance inverters and end-coupled slotline resonators 

      Contreras Lizarraga, Adrián Arturo; Ribó, Miquel; Pradell i Cara, Lluís; Blondy, Pierre (IEEE Microwave Theory and Techniques Society, 2013)
      Article
      Accés restringit per política de l'editorial
      This paper presents the design and implementation of uniplanar bandpass filters that use end-coupled slotline resonators and a new kind of multimodal immitance inverter. These inverters are based on an asymmetric ...