Browsing by UPNA Author "Gómez Laso, Miguel Ángel"
Now showing items 1-20 of 29
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Arrangements of via-holes in microstrip lines as metallodielectric periodic structures
In this paper, the use of via holes in microstrip lines to design periodic structures that can be regarded as metallodielectric electromagnetic crystals is analyzed. The proposed novel periodic structures achieve a notably ... -
The Canfranc Axion Detection Experiment (CADEx): search for axions at 90 GHz with Kinetic Inductance Detectors
We propose a novel experiment, the Canfranc Axion Detection Experiment (CADEx), to probe dark matter axions with masses in the range 330–460 μeV, within the W-band (80–110 GHz), an unexplored parameter space in the ... -
Chirping techniques to maximize the power-handling capability of harmonic waveguide low-pass filters
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
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 ... -
Con tantos problemas en la Tierra ¿investigar en el espacio? Investigación espacial: un viaje de ida y vuelta
¿Cómo se justifica la inversión en investigación en el espacio cuando no faltan los problemas en la Tierra? ¿Realmente nos beneficiamos en nuestra vida cotidiana de investigaciones realizadas para resolver cosas que ocurren ... -
Design procedure for new compact waffle-iron ilters with transmission zeros
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 ... -
Enhancement of the peak power handling capability in microstrip filters by employing smooth-profiled conductor strips
This paper presents a design methodology that significantly increases the peak power handling capability (PPHC) of microstrip filters. The PPHC is limited in microstrip technology by the corona effect: a physical phenomenon ... -
Filtro paso banda en tecnología groove gap waveguide con altura de pines reducida para facilitar su fabricación
In this work, a novel topology of groove gap waveguide (GGW) technology is presented to facilitate the fabrication process by Computer Numerical Control (CNC) milling. GGW has been proposed as an interesting alternative ... -
Frequency responses and synthesis methods for advanced microwave applications
En esta tesis, se han propuesto unmétodo de aproximación basado en técnicas de diseño de filtros digitales y una técnica de síntesis directa basada en scattering inverso, para proporcionar flexibilidad al proceso de ... -
Gap waveguide topology with reduced height pins for millimeter-wave components
A new topology for groove gap waveguide (GGW) technology is proposed to ease its manufacturing process by computer numerical control (CNC) milling. GGW technology consists of two metal plates, where one of them presents a ... -
General synthesis of tapered matching sections for single mode operation using the coupled-mode theory
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
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
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
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
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
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
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. ... -
Novel design method for millimeter-wave gap waveguide low-pass filters using advanced manufacturing techniques
In this paper, a groove gap waveguide (GGW) low-pass filter is proposed for the first time. Gap waveguide technology represents an interesting alternative as a low-loss, cost-effective, high- performance transmission line ... -
Passive microwave component design using inverse scattering: theory and applications
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 ... -
Planar magnetoinductive wave transducers: theory and applications
Transduction of magnetoinductive waves (MIWs) in planar technology is demonstrated. A transducer consisting of a one-dimensional periodic array of metallic split squared ring resonators (SSRR), placed between a pair of ...