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- Listar Artículos (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) por autor
Listar Artículos (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) por autor "Rodríguez Vázquez, Ángel Benito"
Mostrando ítems 1-20 de 109
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Artículo
10mhz cmos ota-c voltage-controlled quadrature oscillator
Linares Barranco, Bernabé; Rodríguez Vázquez, Ángel Benito; Sánchez Sinencio, Edgar; Huertas Díaz, José Luis (Institution of Engineering and Technology, 1989)A quadrature-type voltage-controlled oscillator with operational transconductance amplifiers and capacitors (OTA-C) is ...
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A 0.8-μm CMOS two-dimensional programmable mixed-signal focal-plane array processor with on-chip binary imaging and instructions storage
Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo; Földesy, Péter; Zarándy, Ákos; Szolgay, Péter; Szirányi, Tamás; Roska, Tamás (Institute of Electrical and Electronics Engineers, 1997)This paper presents a CMOS chip for the parallel acquisition and concurrent analog processing of two-dimensional (2-D) ...
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A 1000 FPS at 128×128 vision processor with 8-bit digitized I/O
Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo; Jiménez Garrido, Francisco José; Espejo Meana, Servando Carlos; Domínguez Castro, Rafael (Institute of Electrical and Electronics Engineers, 2004)This paper presents a mixed-signal programmable chip for high-speed vision applications. It consists of an array of ...
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A 13-bit, 2.2-MS/s, 55-mW multibit cascade ΣΔ modulator in CMOS 0.7-μm single-poly technology
Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1999)This paper presents a CMOS 0.7-μm ΣΔ modulator IC that achieves 13-bit dynamic range at 2.2 MS/s with an oversampling ratio ...
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A 151 dB high dynamic range CMOS image sensor chip architecture with tone mapping compression embedded in-pixel
Vargas Sierra, Sonia; Liñán Cembrano, Gustavo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2015)This paper presents a high dynamic range CMOS image sensor that implements an in-pixel content-aware adaptive global tone ...
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A Bio-Inspired Two-Layer Mixed-Signal Flexible Programmable Chip for Early Vision
Carmona Galán, Ricardo; Jiménez Garrido, Francisco José; Domínguez Castro, Rafael; Espejo Meana, Servando Carlos; Roska, Tamás; Rekeczky, Csaba; Petrás, István; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2003)A bio-inspired model for an analog programmable array processor (APAP), based on studies on the vertebrate retina, has ...
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A Bio-Inspired Vision Sensor With Dual Operation and Readout Modes
Leñero Bardallo, Juan Antonio; Hafliger, Philipp Dominik; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2016)This paper presents a novel event-based vision sensor with two operation modes: intensity mode and spatial contrast ...
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A Chaotic Switched-Capacitor Circuit for 1/f Noise Generation
Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito; Espejo Meana, Servando Carlos; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1992)A switched-capacitor circuit is reported for the generation of 1 / fYnoise. The circuit is described by a chaotic first-order ...
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A CMOS 0.8 μm fully differential current mode buffer for HF SI circuits
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito (Elsevier, 1998)We present a high-frequency fully-differential current-mode buffer to interface off-chip currents with no significant ...
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A CMOS 0.8- µm transistor-only 1.63-MHz switched-current bandpass ΣΔ modulator for AM signal A/D conversion
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2000)This paper presents a CMOS 0.8-/spl mu/m switched-current (SI) fourth-order bandpass /spl Sigma//spl Delta/ modulator ...
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A CMOS 110-dB@40-kS/s programmable-gain chopper-stabilized third-order 2-1 cascade sigma-selta modulator for low-power high-linearity automotive aensor ASICs
Rosa Utrera, José Manuel de la; Escalera Morón, Sara; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Guerra Vinuesa, Oscar; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2005)This paper describes a 0.35-μm CMOS chopper-stabilized switched-capacitor 2-1 cascade ΣΔ modulator for automotive sensor ...
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Artículo
A CMOS analog adaptive BAM with on-chip learning and weight refreshing
Linares Barranco, Bernabé; Sánchez Sinencio, Edgar; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1993)In this paper we will extend the transconductance-mode (T-mode) approach [1] to implement analog continuous-time neural ...
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A CMOS Digital SiPM With Focal-Plane Light-Spot Statistics for DOI Computation
Vornicu, Ion; Bandi, Franco; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2017)Silicon photomultipliers can be used to infer the depth-of-interaction (DOI) in scintillator crystals. DOI can help to ...
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A CMOS Imager for Time-of-Flight and Photon Counting Based on Single Photon Avalanche Diodes and In-Pixel Time-to-Digital Converters
Vornicu, Ion; Carmona Galán, Ricardo; Rodríguez Vázquez, Ángel Benito (Editura Academiei Române, 2014)The design of a CMOS image sensor based on single-photon avalanche-diode (SPAD) array with in-pixel time-to-digital converter ...
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Artículo
A Customizable Thermographic Imaging System for Medical Image Acquisition and Processing
Leñero Bardallo, Juan Antonio; Rosa Vidal, Rafael de la; Padial Allue, Rubén; Ceballos Cáceres, Joaquín Francisco; Rodríguez Vázquez, Ángel Benito; Bernabeu Wittel, José (Institute of Electrical and Electronics Engineers, 2022)A custom system has been developed for medical image acquisition and processing in both the visible and the infrared (IR) ...
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Artículo
A Low-Latency, Low-Power CMOS Sun Sensor for Attitude Calculation Using Photovoltaic Regime and On-Chip Centroid Computation
Gómez Merchán, Rubén; Leñero Bardallo, Juan Antonio; López Carmona, María; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2023)The demand for sun sensors has skyrocketed in the last years due to the huge expected deployment of satellites associated ...
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Artículo
A Low-Power Programmable Neural Spike Detection Channel With Embedded Calibration and Data Compression
Rodríguez Pérez, Alberto; Ruiz Amaya, Jesús; Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2012)This paper reports a programmable 400 μm pitch neural spike recording channel, fabricated in a 130 nm standard CMOS ...
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A Low-Resources TDC for Multi-Channel Direct ToF Readout Based on a 28-nm FPGA
Parsakordasiabi, Mojtaba; Vornicu, Ion; Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo (Multidisciplinary Digital Publishing Institute (MDPI), 2021)In this paper, we present a proposed field programmable gate array (FPGA)-based time-to-digital converter (TDC) architecture ...
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A mixed-signal integrated circuit for FM-DCSK modulation
Delgado Restituto, Manuel; Acosta Jiménez, Antonio José; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2005)This paper presents a mixed-signal application-specific integrated circuit (ASIC) for a frequency-modulated differential ...
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A Mobile Platform for Movement Tracking Based on a Fast-Execution-Time Optical-Flow Algorithm
Rosa Vidal, Rafael de la; Leñero Bardallo, Juan Antonio; Guerrero Rodríguez, José María; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2022)A multi-purpose mechanical platform to track moving objects in three-dimensional space has been developed. It is composed ...