Listar Dpto. Ingeniería Eléctrica, Electrónica y de Comunicación - Ingeniaritza Elektriko et Elektronikoa eta Komunikazio Ingeniaritza Saila [desde mayo 2018 / 2018ko maiatzetik] por título
Mostrando ítems 1-20 de 693
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±0.25 V Class-AB CMOS capacitance multiplier and precision rectifiers
Pourashraf, Shirin; Ramírez-Angulo, Jaime; Hinojo Montero, José María; González Carvajal, Ramón; López Martín, Antonio
(IEEE, 2019)
Artículo / Artikulua 
Reduction of minimum supply requirements is a crucial aspect to decrease the power consumption in VLSI systems. A high performance capacitance multiplier able to operate with supplies as low as ±0.25 V is presented. It is ... -
±0.3v bulk-driven fully differential buffer with high figures of merit
Gangineni, Manaswini; Ramírez-Angulo, Jaime; Vázquez-Leal, Héctor; Huerta-Chua, Jesús; López Martín, Antonio ; González Carvajal, Ramón (MDPI, 2022)
Artículo / Artikulua
A high performance bulk-driven rail-to-rail fully differential buffer operating from ±0.3V supplies in 180 nm CMOS technology is reported. It has a differential–difference input stage and common mode feedback circuits ... -
0.6-V 1.65-uW second-order Gm-C bandpass filter for multi-frequency bioimpedance analysis based on a bootstrapped bulk-driven voltage buffer
Carrillo, Juan M.; Cruz Blas, Carlos Aristóteles de la (MDPI, 2022)
Artículo / Artikulua
A bootstrapping technique used to increase the intrinsic voltage gain of a bulk-driven MOS transistor is described in this paper. The proposed circuit incorporates a capacitor and a cutoff transistor to be connected to ... -
A 3-D indoor analysis of path loss modeling using kriging techniques
Diago Mosquera, Melissa; Aragón Zavala, Alejandro; Azpilicueta Fernández de las Heras, Leyre ; Shubair, Raed M.; Falcone Lanas, Francisco Javier (IEEE, 2022)
Artículo / Artikulua
This study proposes a novel measurement-based method to predict and model three-dimensional (3-D) path loss in indoor scenarios, which first regresses 28 GHz measurements via median path loss modeling and then includes ... -
3-D printed horn antennas and components performance for space and telecommunications
(IEEE, 2018) Artículo / Artikulua
In this work, a study of the performance of several antennas and components, manufactured using an accurate stereolithography 3D printer and resin for maximum accuracy and detail, is carried out. Electroless plating of ... -
3-D-printed transmit-array antenna for broadband backhaul 5G links at V-band
Matos, Sérgio A.; Teixeira, Jorge P.; Costa, Jorge R.; Fernandes, Carlos A.; Río Bocio, Carlos del (IEEE, 2020)
Artículo / Artikulua
The low cost and compactness of transmit-array antennas (TAs) make them attractive for 5G backhaul links. However, the TA advantage is less obvious when considering the broadband operation requirement. Two main factors ... -
300 GHz optoelectronic transmitter combining integrated photonics and electronic multipliers for wireless communication
Ali, Muhsin; Pérez Escudero, José Manuel ; Guzmán Martínez, Robinson Cruzoe; Lo, Mu Chieh; Ederra Urzainqui, Íñigo ; Gonzalo García, Ramón ; García Muñoz, Luis Enrique (MDPI, 2019)
Artículo / Artikulua
THz communications systems at carrier frequencies above 200 GHz are the key to enable next-generation mobile communication networks with 100 Gbit/s wireless data rates. One of the key questions is, which carrier frequency ... -
360 nW gate-driven ultra-low voltage CMOS linear transconductor with 1 MHz bandwidth and wide input range
Rico-Aniles, Héctor Daniel; Ramírez-Angulo, Jaime; López Martín, Antonio ; González Carvajal, Ramón (IEEE, 2020)
Artículo / Artikulua
A low voltage linear transconductor is introduced. The circuit is a pseudo differential architecture that operates with ±0.2V supplies and uses 900nA total biasing current. It employs a floating battery technique to achieve ... -
A 3D ray launching time-frequency channel modeling approach for UWB ranging applications
Otim, Timothy; López Iturri, Peio ; Azpilicueta Fernández de las Heras, Leyre ; Bahillo, Alfonso; Falcone Lanas, Francisco Javier (IEEE, 2020)
Artículo / Artikulua
Ultrawideband (UWB) has the ability to achieve decimetre level of ranging accuracy, hence, its wider usage nowadays in the field of positioning. In spite of the attractiveness of UWB, its performance is strongly dependent ... -
3D-ray launching MIMO channel geometric estimation
Rodríguez Corbo, Fidel Alejandro; Azpilicueta Fernández de las Heras, Leyre ; Celaya Echarri, Mikel ; Shubair, Raed M.; Falcone Lanas, Francisco Javier (IEEE, 2022)
Artículo / Artikulua
The complete multiple-input–multiple-output (MIMO) channel simulation in deterministic techniques can be a computationally intensive task, due to the inherent scenario’s complexity and number of antennas. The spatial ... -
5G spatial modeling of personal RF-EMF assessment within aircrafts cabin environments
Celaya Echarri, Mikel ; Azpilicueta Fernández de las Heras, Leyre ; Rodríguez Corbo, Fidel Alejandro; López Iturri, Peio ; Shubair, Raed M.; Ramos González, Victoria; Falcone Lanas, Francisco Javier (IEEE, 2022)
Artículo / Artikulua
Recently, new wireless communication systems within aircrafts cabins have drawn higher attention due to the growing demand of passenger services and applications and their corresponding requirements and constraints. In ... -
60 GHz single-layer slot-array antenna fed by groove gap waveguide
Ferrando Rocher, Miguel; Valero Nogueira, Alejandro; Herranz Herruzo, José I.; Teniente Vallinas, Jorge (IEEE, 2019)
Artículo / Artikulua
A V-band single-layer low-loss slot-array antenna is presented in this letter. Radiating slots are backed by coaxial cavities, which are fed through a groove gap waveguide E-plane corporate feed network. Cavity resonances ... -
AC amplifiers with ultra-low corner frequency by using bootstrapping
Martincorena Arraiza, Maite ; Carlosena García, Alfonso ; Cruz Blas, Carlos Aristóteles de la ; López Martín, Antonio (Institution of Engineering and Technology, 2021)
Artículo / Artikulua
A novel architecture for an AC (i.e. high-pass) amplifier is proposed allowing a drastic reduction of the cutoff frequency to the sub-Hertz range. It builds upon the classic AC configuration with a high gain amplifier and ... -
AC coupled amplifier with a resistance multiplier technique for ultra-low frequency operation
Martincorena Arraiza, Maite ; Cruz Blas, Carlos Aristóteles de la ; Carlosena García, Alfonso ; López Martín, Antonio (Elsevier, 2022)
Artículo / Artikulua
This paper proposes a novel, tunable AC coupled capacitive feedback amplifier, exhibiting an ultra-low high pass corner frequency. This is accomplished by actively boosting the output resistive value of a MOS transistor ... -
AC/DC millivoltage sensor by means of ITO-coated optical fibers: towards monitoring of biosignals
Aginaga Etxamendi, Concepción Isabel; Socorro Leránoz, Abián Bentor ; Fuentes Lorenzo, Omar ; Del Villar, Ignacio ; Corres Sanz, Jesús María ; Matías Maestro, Ignacio (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
This contribution shows the monitoring of AC and DC millivoltage signals by means of lossy mode resonances generated by Indium Tin Oxide (ITO) on optical fibers. Sensors were obtained by sputtering ITO thin-films onto 25 ... -
Accurate pupil center detection in off-the-shelf eye tracking systems using convolutional neural networks
Larumbe Bergera, Andoni ; Garde Lecumberri, Gonzalo ; Porta Cuéllar, Sonia ; Cabeza Laguna, Rafael ; Villanueva Larre, Arantxa (MDPI, 2021)
Artículo / Artikulua
Remote eye tracking technology has suffered an increasing growth in recent years due to its applicability in many research areas. In this paper, a video-oculography method based on convolutional neural networks (CNNs) for ... -
Active control for medium-frequency transformers flux-balancing in a novel three-phase topology for cascaded conversion structures
Lumbreras Magallón, David ; Barrios Rípodas, Ernesto ; Navarrete, Manuel; Balda Belzunegui, Julián; González Senosiain, Roberto ; Sanchis Gúrpide, Pablo (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
Efficiency and power density are important parameters in the design of power electronics converters. In many applications, low-frequency transformers are being substituted for medium-frequency and high-frequency transformers ... -
Active damping based on the capacitor voltage positive-feedback for grid-connected power converters with LCL filter
Samanes Pascual, Javier ; Gubía Villabona, Eugenio (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
The capacitor voltage positive-feedback is a widely extended active damping strategy. It can effectively damp the LCL output filter resonant poles for low ratios of resonance to sampling frequencies. However, the existing ... -
Addressing the impact of surface roughness on epsilon-near-zero silicon carbide substrates
Navajas Hernández, David; Pérez Escudero, José Manuel ; Martínez Hernández, María Elena ; Goicoechea Fernández, Javier ; Liberal Olleta, Íñigo (American Chemical Society, 2023)
Artículo / Artikulua
Epsilon-near-zero (ENZ) media have been very actively investigated due to their unconventional wave phenomena and strengthened nonlinear response. However, the technological impact of ENZ media will be determined by the ... -
Adjustment of the fuzzy logic controller parameters of the energy management strategy of a grid-tied domestic electro-thermal microgrid using the Cuckoo search algorithm
Arcos Avilés, Diego; García Gutiérrez, Gabriel; Guinjoan Gispert, Francesc; Pascual Miqueleiz, Julio María ; Marroyo Palomo, Luis (IEEE, 2019)
Contribución a congreso / Biltzarrerako ekarpena
During the last century, population growth, together with economic development, has considerably increased the energy demand and, although renewable energies are becoming an alternative, still total energy supply is mainly ...
