- idUS
- Investigación
- Ciencias
- Instituto de Microelectrónica de Sevilla (IMSE-CNM)
- Ponencias (Instituto de Microelectrónica de Sevilla (IMSE-CNM))
- Browsing Ponencias (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) by Author
Browsing Ponencias (Instituto de Microelectrónica de Sevilla (IMSE-CNM)) by Author "Pérez Verdú, Belén"
Now showing items 1-20 of 37
-
Presentation
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 ...
-
Presentation
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 ...
-
Presentation
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 ...
-
Presentation
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.
-
Presentation
A CMOS fully-differential bandpass ΣΔ modulator using switched-current circuits
Rosa Utrera, José Manuel de la; Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1995)This paper presents a fourth-order bandpass sigma-delta modulator that has been designed using fully-differential ...
-
Presentation
A fourth-order bandpass ΣΔ modulator using current-mode analog/digital circuits
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)We present a fourth-order bandpass ΣΔ switched-current modulator IC in 0.8 μm CMOS single-poly technology. Its architecture ...
-
Presentation
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/ ...
-
Presentation
A Tool for automated design of sigma-delta modulators using statistical optimization
Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1993)A tool is presented which starting from high level specifications of SC σδ modulators (resolution, bandwidth and oversampling ...
-
Presentation
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) ...
-
Presentation
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 ...
-
Presentation
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 ...
-
Presentation
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 ...
-
Presentation
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 ...
-
Presentation
Behavioral modeling of PWL analog circuits using symbolic analysis
Fernández Fernández, Francisco Vidal; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1998)Behavioral models are used both for top-down design and for bottom-up verification. During top-down design, models are ...
-
Presentation
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 ...
-
Presentation
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 ...
-
Presentation
Design Considerations for Multistandard Cascade ΣΔ Modulators
Morgado García de la Polavieja, Alonso; Río Fernández, Rocío del; Rosa Utrera, José Manuel de la; Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (2005)This paper discusses design considerations for cascade Sigma-Delta Modulators (ΣΔMs) included in multistandard wireless ...
-
Presentation
Design of RC-active oscillators using composite amplifiers
Pérez Verdú, Belén; Huertas Díaz, José Luis; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1991)The design of composite opamp Wien-Bridge oscillators is systematically approached by using a general model including ...
-
Presentation
Effect of Non-Linear Settling Error on The Harmonic Distortion of Fully-Differential Switched-Current BandPass Sigma-Delta Modulators
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)This paper presents a detailed study of the effect of the non-linear settling on the harmonic distortion of BandPass SD ...
-
Presentation
Expandible high-order cascade ya modulator with constant, reduced systematic loss of resolution
Medeiro Hidalgo, Fernando; Río Fernández, Rocío del; Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2003)An arbitrary order sigma-delta modulator cascude architecture is presented with only I-bit loss of resolution due to scaling ...