Browsing by UPNA Author "Arregui Padilla, Iván"
Now showing items 1-20 of 24
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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 ... -
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 ... -
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 ... -
Mapping smooth profile H-plane rectangular waveguide structures to substrate integrated waveguide technology
The guidelines for mapping rectangular waveguide structures to substrate integrated waveguide (SIW) technology are well understood for structures with straight walls. However, the mapping of a smooth profile structure from ... -
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 ... -
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 ... -
Producing and exploiting simultaneously the forward and backward coupling in EBG-assisted microstrip coupled lines
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
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
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 design of 3D-printed W-band bandpass filters using gap waveguide technology
In this paper, a W-band 3D-printed bandpass filter is proposed. The use of higher-order TE10n modes in groove gap waveguide (GGW) technology is evaluated in order to alleviate the manufacturing requirements. In addition ...