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Listar por autor "Rosa Utrera, José Manuel de la"
Mostrando ítems 21-40 de 99
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Artículo
A new high-level synthesis methodology of cascaded continuous-time ΣΔ modulators
Tortosa Navas, Ramón; Rosa Utrera, José Manuel de la; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2006)This brief presents an efficient method for synthesizing cascaded sigma–delta modulators implemented with continuous-time ...
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Ponencia
A new reconfigurable cascade ΣΔ modulator architecture with inter-stage resonation and no digital cancellation logic
Morgado García de la Polavieja, Alonso; García Sánchez, Gerardo; Río Fernández, Rocío del; Rosa Utrera, José Manuel de la (2009)This paper presents a new two-stage cascade ΣΔ modula- tor architecture that uses inter-stage resonation to increase its ...
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Ponencia
A novel low-voltage reconfigurable ΣΔ modulator for 4G wireless receivers
Morgado García de la Polavieja, Alonso; Río Fernández, Rocío del; Rosa Utrera, José Manuel de la (2008)This paper presents a new adaptable cascade ΣΔ modulator architecture fo r low-voltage multi-stan- dard applications. ...
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Ponencia
A SIMULINK-based approach for fast and precise simulation of switched-capacitor, switched-current and continuous-time /spl Sigma//spl Delta/ modulators
Moreno Reina, Javier; Rosa Utrera, José Manuel de la; Medeiro Hidalgo, Fernando; Romay, Rafael; Río Fernández, Rocío del; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2003)This paper describes how to extend the capabilities of SIMULINK for the time-domain simulation of /spl Sigma//spl Delta/ ...
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Artículo
A Small-Area 2nd-Order Adder-Less Continuous-Time ΔΣ Modulator With Pulse Shaping FIR DAC for Magnetic Sensing
Srivastava, M; Ferro, Alessandro; Sidun, A; Rosa Utrera, José Manuel de la; ODonoghue, K; Cantillon-Murphy, P; OHare, D (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2024)This work presents a small-area 2nd-order continuous-time ΔΣ Modulator (CT ΔΣM ) with a single low dropout regulator (LDO) ...
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Ponencia
A ΣΔ modulator for a programmable-gain, low-power, high-linearity automotive sensor interface
Rosa Utrera, José Manuel de la; Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (The International Society for Optical Engineering - SPIE, 2003)This paper describes the design and electrical implementation of a 0.35μm CMOS 17-bit≰0kS/s Sigma-Delta Modulator (ΣΔM) ...
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Artículo
AI-Assisted Sigma-Delta Converters. Application to Cognitive Radio
Rosa Utrera, José Manuel de la (Institute of Electrical and Electronics Engineers, 2022)This brief discusses the use of Artificial Intelligence (AI) to manage the operation and improve the performance of ...
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Artículo
AI-managed cognitive radio digitizers
Rosa Utrera, José Manuel de la (Institute of Electrical and Electronics Engineers, 2022)Embedding Artificial Intelligence (AI) in integrated circuits is one of the technology pillars of the so-called digital ...
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Ponencia
An Alternative DfT Methodology to Test High-Resolution ΣΔ Modulators
Escalera Morón, Sara; García González, José Manuel; Guerra Vinuesa, Oscar; Rosa Utrera, José Manuel de la; Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2004)In this paper, a novel DfT methodology to test high-resolution ΣΔ Modulators (ΣΔM) is introduced. The aim of the proposal ...
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Ponencia
An Embedded 12-bit 80MS/s A/D/A Interface for Power-Line Communications in 0.13μm Pure Digital CMOS Technology
Delgado Restituto, Manuel; Ruiz Amaya, Jesús; Rosa Utrera, José Manuel de la; Fernández Bootello, Juan Francisco; Díez Villar, Leila; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2005)This paper presents an embedded interface, comprising both A/D and D/A converters, which has been implemented in a 0.13μm ...
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Ponencia
An Optimization-based Tool for the High-Level Synthesis of Discrete-time and continuous-Time Sigma-Delta Modulators in the MATLAB/SIMULINK Environment
Ruiz Amaya, Jesús; Rosa Utrera, José Manuel de la; Medeiro Hidalgo, Fernando; Fernández Fernández, Francisco Vidal; Río Fernández, Rocío del; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2004)This paper presents a MATLAB toolbox for the automated high-level sizing of ΣΔ Modulators (ΣΔMs) based on the combination ...
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Tesis Doctoral
Analog-to-Digital Converters for Efficient Portable Devices
Asghar, Sohail (2021-03-19)La transformación digital en la que se encuentra inmersa nuestra sociedad no hubiese sido posible sin el desarrollo ...
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Ponencia
Analysis and Experimental Characterization of Idle Tones in 2nd-Order Bandpass Sigma-Delta Modulators - A 0.8μm CMOS Switched-Current Case Study
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2001)Ths paper analyses the tonal behaviour of the quantization noise in 2nd-order bandpass SD modulators. The analysis previously ...
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Ponencia
Analysis and Modeling of the Non-Linear Sampling Process in Switched-Current Circuits - Application to Bandpass Sigma-Delta Modulators
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (2001)This paper presents a precise model for the transient behaviour of Fully Differential (FD) SwItched-current (SI) memory ...
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Ponencia
Analysis of Clock Jitter Error in Multibit Continuous-Time ΣΔ modulators with NRZ Feedback Waveform
Tortosa Navas, Ramón; Rosa Utrera, José Manuel de la; Rodríguez Vázquez, Ángel Benito; Fernández Fernández, Francisco Vidal (Institute of Electrical and Electronics Engineers, 2005)This paper presents a detailed study of the clock jitter error in multibit continuous-time ΣΔ modulators with non-return-to-zero ...
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Artículo
Analysis of error mechanisms in switched-current Sigma-Delta modulators
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Springer, 2004)This paper presents a systematic analysis of the major switched-current (SI) errors and their influence on the performance ...
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Trabajo Fin de Máster
Aplicación de sistemas neuromórficos con aprendizaje profundo para sistemas de comunicación basados en radio cognitiva
Zúñiga González, Virginia (2020)Una de las principales limitaciones para la implantación práctica de dispositivos IoT (Internet Of Things) se encuentra ...
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Capítulo de Libro
BandPass Sigma-Delta Analog-to-Digital Converters
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Springer, 2003)The principle of ΣΔ Modulation (ΣΔM) is extended in BPΣΔMs to bandpass signals, especially but not only, with a narrow ...
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Ponencia
Behavioral Modeling, Simulation and High-Level Synthesis of Pipeline A/D Converters
Ruiz Amaya, Jesús; Rosa Utrera, José Manuel de la; Delgado Restituto, Manuel ; Rodríguez Vázquez, Ángel Benito (2005)This paper presents a MATLAB® toolbox for the time-domain simulation and high-level sizing of pipeline analog-to-digital ...
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Artículo
Combining Software-Defined Radio Learning Modules and Neural Networks for Teaching Communication Systems Courses †
Camuñas Mesa, Luis Alejandro; Rosa Utrera, José Manuel de la (Multidisciplinary Digital Publishing Institute (MDPI), 2023)The paradigm known as Cognitive Radio (CR) proposes a continuous sensing of the electromagnetic spectrum in order to ...