Now showing items 1-17 of 17

    • Chirping techniques to maximize the power-handling capability of harmonic waveguide low-pass filters 

      Teberio Berdún, Fernando Upna Orcid; Arregui Padilla, Iván Upna Orcid; Gómez Torrent, Adrián Upna Orcid; Arnedo Gil, Israel Upna Orcid; Chudzik, Magdalena Upna; Zedler, Michael; Goertz, Franz-Josef; Jost, Rolf; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      A novel chirping technique is applied to the design of very high-power waveguide harmonic low-pass filters. The technique could be used, for instance, to avoid multipactor testing in multicarrier systems such as the ...
    • Compact harmonic rejection filter for C-band high-power satellite applications 

      Teberio Berdún, Fernando Upna Orcid; Martín Iglesias, Petronilo; Arregui Padilla, Iván Upna Orcid; Arnedo Gil, Israel Upna Orcid; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid (IEEE, 2020)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      A compact high-power low-pass filter for C-band broadband satellite applications is presented in this paper. The filter is composed of three different sections. A 9th-order compact high-power multi-ridge structure achieves ...
    • Design procedure for new compact waffle-iron ilters with transmission zeros 

      Teberio Berdún, Fernando Upna Orcid; Percaz Ciriza, Jon Mikel Upna Orcid; Arregui Padilla, Iván Upna Orcid; Martín Iglesias, Petronilo; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid; Arnedo Gil, Israel Upna Orcid (IEEE, 2018)   Artículo / Artikulua  OpenAccess
      In this paper, a novel waffle-iron filter with transmission zeros at multiple frequencies, along with its design procedure, is presented. The proposed filter features a high-power behavior and a wide rejected band in a ...
    • General synthesis of tapered matching sections for single mode operation using the coupled-mode theory 

      Percaz Ciriza, Jon Mikel Upna Orcid; Arnedo Gil, Israel Upna Orcid; Arregui Padilla, Iván Upna Orcid; Teberio Berdún, Fernando Upna Orcid; Martín Iglesias, Petronilo; Gómez Laso, Miguel Ángel Upna Orcid; Lopetegui Beregaña, José María Upna Orcid (IEEE, 2019)   Artículo / Artikulua  OpenAccess
      In this paper, a novel and general method to synthetize microwave waveguide tapers intended for single mode operation is proposed. The technique is based on the use of an exact series solution of the inverse scattering ...
    • High-power filter design in waveguide technology: future generation of waveguide satellite filters in payloads handling increasing bit rates and numbers of channels 

      Arregui Padilla, Iván Upna Orcid; Teberio Berdún, Fernando Upna Orcid; Arnedo Gil, Israel Upna Orcid; Percaz Ciriza, Jon Mikel Upna Orcid; Martín Iglesias, Petronilo; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid (IEEE, 2020)   Artículo / Artikulua  OpenAccess
      To design a filter for a particular application, many issues must first be considered. Which technology will be the most convenient? What design technique will provide better results for a particular set of frequency ...
    • High-yield waveguide diplexer for low-cost E-band 5G point-to-point radio links 

      Teberio Berdún, Fernando Upna Orcid; Calero Fernández, Ibai; Arregui Padilla, Iván Upna Orcid; Martín Iglesias, Petronilo; Teniente Vallinas, Jorge Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid (IEEE, 2022)   Contribución a congreso / Biltzarrerako ekarpena
      This paper presents the design and realization of a high-yield tuning-less waveguide diplexer and a high-gain lens horn antenna for 5G point-to-point fixed-beam communications at the frequency ranges of 71/76 GHz and 81/86 ...
    • Integrating multiple stubs in stepped-impedance filter aiming for high selectivity 

      Sami, Abdul Upna; Gómez Laso, Miguel Ángel Upna Orcid; Lopetegui Beregaña, José María; Arnedo Gil, Israel; Calero Fernández, Ibai; Teberio Berdún, Fernando Upna Orcid; Martín Iglesias, Petronilo; Benito Pertusa, David Upna Orcid; Arregui Padilla, Iván Upna Orcid (IETWiley, 2022-05-24)   Artículo / Artikulua  OpenAccess
      A design technique to include multiple and fully-controlled transmission zeros (TZs) in the frequency response of rectangular waveguide commensurate-line stepped-impedance filters is presented in this letter. These bandpass ...
    • Metal 3D printing for RF/microwave high-frequency parts 

      Martín Iglesias, Petronilo; Gómez Laso, Miguel Ángel Upna Orcid; Lopetegui Beregaña, José María; Teberio Berdún, Fernando Upna Orcid; Arregui Padilla, Iván Upna Orcid; Marechal, M.; Calves, P.; Hazard, M.; Pambaguian, L.; Brandao, A.; Rodríguez Castillo, S.; Martin, T.; Percaz Ciriza, Jon Mikel Upna Orcid; Iza, V.; Martín-Iglesias, Santiago (Springer, 2022)   Artículo / Artikulua
      Space Systems have been historically characterised by high performance, high reliability and high cost. Every new generation of space systems tends to improve performance, keep as much as possible reliability, speeding ...
    • Multipactor breakdown analysis of Ku-band meandered low-pass filter 

      Sami, Abdul Upna; Teberio Berdún, Fernando Upna Orcid; Arnedo Gil, Israel; Martín Iglesias,  Petronilo; Lopetegui Beregaña, José María; Gómez Laso, Miguel Ángel Upna Orcid; Arregui Padilla, Iván Upna Orcid (2022)   Contribución a congreso / Biltzarrerako ekarpena  OpenAccess
      In this work, a very compact rectangular waveguide low-pass filter with meandered topology based on commensurate lines for Ku-band satellite applications is analysed for high-power handling capabilities. The device consists ...
    • New filter design methods and topologies for the future microwave and millimeter-wave high-capacity satellites 

      Teberio Berdún, Fernando Upna Orcid (2018)   Tesis doctoral / Doktoretza tesia  OpenAccess
      In this thesis, several novel design techniques for waveguide low-pass filters (LPFs) and band-pass filters (BPFs) are proposed. Firstly, a quasi-analytical technique for classical corrugated waveguide LPFs is presented. ...
    • Passive microwave component design using inverse scattering: theory and applications 

      Arnedo Gil, Israel Upna Orcid; Arregui Padilla, Iván Upna Orcid; Chudzik, Magdalena Upna; Teberio Berdún, Fernando Upna Orcid; Lujambio Genua, Aintzane Upna; Benito Pertusa, David Upna Orcid; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid (Hindawi, 2013)   Artículo / Artikulua  OpenAccess
      We briefly review different synthesis techniques for the design of passive microwave components with arbitrary frequency response, developed by our group during the last decade. We provide the theoretical foundations based ...
    • Producing and exploiting simultaneously the forward and backward coupling in EBG-assisted microstrip coupled lines 

      Percaz Ciriza, Jon Mikel Upna Orcid; Chudzik, Magdalena Upna; Arnedo Gil, Israel Upna Orcid; Arregui Padilla, Iván Upna Orcid; Teberio Berdún, Fernando Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid; Lopetegui Beregaña, José María Upna Orcid (IEEE, 2016)   Artículo / Artikulua  OpenAccess
      In this paper, a methodology is proposed for the design of EBG-assisted coupled line structures in microstrip technology, controlling independently the forward and backward coupling. It is based on the use of a ...
    • Rectangular waveguide filters with meandered topology 

      Teberio Berdún, Fernando Upna Orcid; Percaz Ciriza, Jon Mikel Upna Orcid; Arregui Padilla, Iván Upna Orcid; Martín Iglesias, Petronilo; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid; Arnedo Gil, Israel Upna Orcid (IEEE, 2018)   Artículo / Artikulua  OpenAccess
      In this paper, a new topology for rectangular waveguide bandpass and low-pass filters is presented. A simple, accurate, and robust design technique for these novel meandered waveguide filters is provided. The proposed ...
    • Resonant quasi-periodic structure for rectangular waveguide technology with wide stopband and band-pass behavior 

      Arregui Padilla, Iván Upna Orcid; Teberio Berdún, Fernando Upna Orcid; Arnedo Gil, Israel Upna Orcid; Percaz Ciriza, Jon Mikel Upna Orcid; Gómez Torrent, Adrián Upna Orcid; Chudzik, Magdalena Upna; Gómez Laso, Miguel Ángel Upna Orcid; Lopetegui Beregaña, José María Upna Orcid (EMW Publishing, 2016)   Artículo / Artikulua  OpenAccess
      In this paper, a novel quasi-periodic structure for rectangular waveguide technology is proposed. The constituent unit cells of the structure feature a resonant behavior, providing high attenuation levels in the stopband ...
    • Robust tolerance design of bandpass filter with improved frequency response for Q-band satellite applications 

      Sami, Abdul Upna; Teberio Berdún, Fernando Upna Orcid; Miranda Santafé, Luis Upna; Arnedo Gil, Israel Upna Orcid; Martín Iglesias, Petronilo; Benito Pertusa, David Upna Orcid; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid; Arregui Padilla, Iván Upna Orcid (IEEE, 2021)   Artículo / Artikulua  OpenAccess
      A rectangular waveguide bandpass filter for Q-band with simple fabrication is proposed in this letter. The design is based on the use of the first passband replica of commensurate-line stepped-impedance structures and ...
    • Routing with classical corrugated waveguide low-pass filters with embedded bends 

      Teberio Berdún, Fernando Upna Orcid; Percaz Ciriza, Jon Mikel Upna Orcid; Arregui Padilla, Iván Upna Orcid; Martín Iglesias, Petronilo; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid; Arnedo Gil, Israel Upna Orcid (EMW Publishing, 2018)   Artículo / Artikulua  OpenAccess
      A very simple design method to embed routing capabilities in classical corrugated filters is presented in this paper. The method is based on the calculation of the heights and lengths of the so-called filters design ...
    • Synthesis of one dimensional electromagnetic bandgap structures with fully controlled parameters 

      Arnedo Gil, Israel Upna Orcid; Chudzik, Magdalena Upna; Percaz Ciriza, Jon Mikel Upna Orcid; Arregui Padilla, Iván Upna Orcid; Teberio Berdún, Fernando Upna Orcid; Benito Pertusa, David Upna Orcid; Lopetegui Beregaña, José María Upna Orcid; Gómez Laso, Miguel Ángel Upna Orcid (IEEE, 2017)   Artículo / Artikulua  OpenAccess
      In this paper, we propose a novel synthesis strategy for the design of one dimensional electromagnetic bandgap (1- D-EBG) structures where all the performance parameters of these devices can fully be controlled, i.e., ...