• A highly-repeatable, broadband 180º phase switch for integrated MEMS processes 

      Llamas Morote, Marco Antonio; Girbau Sala, David; Ribó, M.; Pradell i Cara, Lluís; Giacomozzi, Flavio; Colpo, S.; Coccetti, Favio; Aouba, Stephane (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      A broadband 0º/180º phase switch based on a slotline-coplanar-waveguide cross loaded with two MEMS switches in opposed (ON/OFF or OFF/ON) states, is reported. The fabrication was made on high-resistivity silicon substrates ...
    • A low-power-consumption out-of-Plane electrothermal actuator 

      Girbau Sala, David; Llamas Morote, Marco Antonio; Casals Terré, Jasmina; Simó Selvas, Francisco Javier; Pradell i Cara, Lluís; Lázaro Guillén, Antoni (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2007-06-30)
      Article
      Accés obert
      This paper proposes a new vertical electrothermal actuator. It can be considered as a hybrid between the traditional in-plane buckle-beam actuator and the vertical hot-cold actuator. It is here referred to as vertical ...
    • Capacitive and resistive RF-MEMS switches 2.5D & 3D Electromagnetic and Circuit modelling 

      Giacomozzi, Flavio; Colpo, S.; Plana, Robert; Llamas Morote, Marco Antonio; Girbau Sala, David; Pausas, Esther; Pradell i Cara, Lluís; Aouba, Stephane; Villneuve, C.; Puyal, Vincent; Pons, Patrick (2009)
      Text en actes de congrés
      Accés obert
      this paper proposes different strategies for the electrical modelling of capacitive and resistive RF-MEMS switches which take into account the dependence of the electrical performance on the mechanical properties and ...
    • Characterization of dynamics in RF-MEMS switches 

      Llamas Morote, Marco Antonio; Girbau Sala, David; Pradell i Cara, Lluís; Lázaro Guillén, Antoni; Giacomozzi, Flavio; Colpo, S (2009)
      Text en actes de congrés
      Accés obert
      This paper proposes a new method to measure dynamics and power handling of RF microelectromechanical systems (MEMS) devices based on a mobile membrane. The method uses in-phase/quadrature demodulation of an RF signal ...
    • RF-MEMS switches designed for high-performance uniplanar microwave and mm-wave circuits 

      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)
      Capítol de llibre
      Accés obert
      Radio 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 uniplanar 180° phase switch based on a multimodal air-bridged CPW cross 

      Llamas Morote, Marco Antonio; Girbau Sala, David; Ribó, M.; Pradell i Cara, Lluís; Giacomozzi, Flavio; Colpo, S (2011-07)
      Article
      Accés restringit per política de l'editorial
      In this paper, a new compact broadband uniplanar 180 phase switch, based on an air-bridged coplanar-waveguide (CPW) cross loaded with two capacitive-contact microelectromechancial systems (MEMS) switches in opposed (ON/OFF) ...
    • RF-MEMS uniplanar 180º Phase Switch based on switching between two out-of-phase paths 

      Llamas Morote, Marco Antonio; Pradell i Cara, Lluís; Girbau Sala, David; Ribó, Miquel; Lázaro Villa, José Antonio; Giacomozzi, Flavio; Margesin, Benno (2011)
      Article
      Accés restringit per política de l'editorial
      A phase switch based on switching between two twoport passive networks with a phase difference of 180º is reported. Two RF MEMS single-pole-double-throw structures are used to select the phase path. The fabrication is ...