Listar ISC - Institute of Smart Cities por título
Mostrando ítems 1-20 de 838
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±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 ... -
1-V 15-μW 130-nm CMOS super class AB OTA
López Martín, Antonio ; Algueta-Miguel, Jose M. ; Garde Luque, María Pilar ; Carvajal, Ramón G.; Ramírez-Angulo, Jaime (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
A super class AB recycling folded cascode amplifier in 130 nm CMOS is presented. It combines for the first time adaptive biasing of the differential input pair, nonlinear current mirrors with current starving and dynamic ... -
A 1.2-V current-mode RMS-to-DC converter based on a novel two-quadrant electronically simulated MOS translinear loop
Martincorena Arraiza, Maite ; Cruz Blas, Carlos Aristóteles de la ; Algueta-Miguel, Jose M. ; López Martín, Antonio (IEEE, 2020)
Artículo / Artikulua
A novel current-mode CMOS RMS-to-DC converter using translinear techniques is introduced. It is based on a squarer/divider cell that is implemented using an electronically simulated loop with a novel biasing scheme that ... -
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 ... -
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 ... -
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 ... -
El acceso al mercado de los servicios portuarios: a propósito del nuevo Reglamento (UE) 2017/352
Zurutuza Arigita, Iñaki (UPV-EHU;Marcial Pons, 2017)
Artículo / Artikulua
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Accumulating priority queues versus pure priority queues for managing patients in emergency departments
Cildoz Esquíroz, Marta ; Ibarra, Amaia; Mallor Giménez, Fermín (Elsevier, 2019)
Artículo / Artikulua
Improving the quality of healthcare in emergency departments (EDs) is at the forefront of many hospital managers’ efforts, as they strive to plan and implement better patient flow strategies. In this paper, a new approach ... -
Acoustic lock: position and orientation trapping of non-spherical sub-wavelength particles in mid-air using a single-axis acoustic levitator
Cox, L; Croxford, A; Drinkwater, Bruce W.; Marzo Pérez, Asier (American Institute of Physics, 2018)
Artículo / Artikulua
We demonstrate acoustic trapping in both position and orientation of a non-spherical particle of sub-wavelength size in mid-air. To do so, we multiplex in time a pseudo-one-dimensional vertical standing wave and a ... -
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 ... -
Acuity-based rotational patient-to-physician assignment in an emergency department using electronic health records in triage
Cildoz Esquíroz, Marta ; Ibarra Bolt, Amaya; Mallor Giménez, Fermín (SAGE, 2023)
Artículo / Artikulua
Emergency department (ED) operational metrics generated by a new acuity-based rotational patient-to-physician assignment (ARPA) algorithm are compared with those obtained with a simple rotational patient assignment (SRPA) ... -
Additional feature layers from ordered aggregations for deep neural networks
Domínguez Catena, Iris ; Paternain Dallo, Daniel ; Galar Idoate, Mikel (IEEE, 2020)
Contribución a congreso / Biltzarrerako ekarpena
In the last years we have seen huge advancements in the area of Machine Learning, specially with the use of Deep Neural Networks. One of the most relevant examples is in image classification, where convolutional neural ...
