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- Listar Ponencias (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) por autor
Listar Ponencias (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) por autor "Río Fernández, Rocío del"
Mostrando ítems 1-20 de 42
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Ponencia
5×5 SPAD matrices for the study of the trade-offs between fill factor, dark count rate and crosstalk in the design of CMOS image sensors
Moreno García, Manuel; Río Fernández, Rocío del; Guerra Vinuesa, Oscar; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2014)CMOS Single Photon Avalanche Diodes (SPADs) are a dedicated type of photodetectors that are attracting increasing interest. ...
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Ponencia
A 0.13μm CMOS current steering D/A converter for PLC and VDSL applications
Ruiz Amaya, Jesús; Fernández Bootello, Juan Francisco; Rosa Utrera, José Manuel de la; Delgado Restituto, Manuel ; Río Fernández, Rocío del (2005)This paper describes the design of a 12-bit 80MS/s Digital-to-Analog converter implemented in a 0.13μm CMOS logic ...
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Ponencia
A 0.35 μm CMOS 17-bit@40-kS/s cascade 2-1 ΣΔ modulator with programmable gain and programmable chopper stabilization
Guerra Vinuesa, Oscar; Escalera Morón, Sara; Rosa Utrera, José Manuel de la; Río Fernández, Rocío del; Medeiro Hidalgo, Fernando; Rodríguez Vázquez, Ángel Benito (The International Society for Optical Engineering - SPIE, 2005)This paper describes a 0.35μm CMOS chopper-stabilized Switched-Capacitor 2-1 cascade ΣDelta; modulator for automotive ...
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Ponencia
A 0.35μm CMOS 17-bit@40kS/s Sensor A/D Interface Based on a Programmable-Gain Cascade 2-1 ΣΔ Modulator
García González, José Manuel; Escalera Morón, Sara; Rosa Utrera, José Manuel de la; Guerra Vinuesa, Oscar; Medeiro Hidalgo, Fernando; Río Fernández, Rocío del; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2004)This paper describes the design and electrical implementation of an A/D interface for sensor applications realized in a ...
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Ponencia
A 14-bit 4-MS/s Multi-bit Cascade Sigma-Delta Modulator in CMOS 0.35-um Digital Technology
Río Fernández, Rocío del; Medeiro Hidalgo, Fernando; Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (2000)This paper presents a 4th-order 3-stage cascade SD modulator that achieves 14-bit dynamic range at 4MS/s using low ...
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Ponencia
A 2.5-V CMOS Wideband Sigma-Delta Modulator
Río Fernández, Rocío del; Medeiro Hidalgo, Fernando; Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2003)A high-performance Sigma-Delta modulator for wireline communication applications is presenfed It employs a 4th-order cascade ...
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Ponencia
A 2.5-V ΣΔ modulator in 0.25-um CMOS for ADSL
Río Fernández, Rocío del; Medeiro Hidalgo, Fernando; Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2002)This paper presents a dual-quantization SC Sigma-Delta Modulator intended for A/D Conversion in ADSL applications.
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Ponencia
A mismatch-insensitive high-accuracy high-speed continuous-time current comparator in low voltage CMOS
Río Fernández, Rocío del; Liñán Cembrano, Gustavo; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1997)This paper presents a CMOS current comparator which employs nonlinear feedback to obtain high-accuracy (down to 1.5 pA) ...
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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 QVGA Vision Sensor with Multi-functional Pixels for Focal-Plane Programmable Obfuscation
Fernández Berni, Jorge; Carmona Galán, Ricardo; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2014)Privacy awareness constitutes a critical aspect for smart camera networks. An ideal awless protection of sensitive information ...
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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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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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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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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
CMOS SPADs selection, modeling and characterization towards image sensors implementation
Moreno García, Manuel; Guerra Vinuesa, Oscar; Río Fernández, Rocío del; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2012)The selection, modeling and characterization of Single Photon Avalanche Diodes (SPADs) are presented. Working with the ...
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Ponencia
Demo: A Prototype Vision Sensor for Real-time Focal-plane Obfuscation through Tunable Pixelation
Fernández Berni, Jorge; Carmona Galán, Ricardo; Río Fernández, Rocío del; Kleihorst, R.; Philips, Wilfried; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2014)Privacy concerns are hindering the introduction of smart camera networks in prospective application scenarios like retail ...
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Ponencia
Design Considerations for an Automotive Sensor Interface Sigma-Delta Modulator
Medeiro Hidalgo, Fernando; Rosa Utrera, José Manuel de la; Río Fernández, Rocío del; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2003)The Sigma-Delta Modulator presented in this paper contains a programmable-gain input inferface to accommodate the output ...