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Listar Instituto de Microelectrónica de Sevilla (IMSE-CNM) por autor "Fernández Fernández, Francisco Vidal"
Mostrando ítems 1-20 de 49
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Ponencia
A 12-bit@40MS/s Gm-C Cascade 3-2 Continuous-Time Sigma-Delta Modulator
Tortosa Navas, Ramón; Aceituno, Antonio; Rosa Utrera, José Manuel de la; Rodríguez Vázquez, Ángel Benito; Fernández Fernández, Francisco Vidal (Institute of Electrical and Electronics Engineers, 2007)This paper reports the transistor-level design of a 130-nm CMOS continuous-time cascade ΣΔ modulator. The modulator topology, ...
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Artículo
A detailed study of the gate/drain voltage dependence of RTN in bulk pMOS transistors
Saraza Canflanca, Pablo; Martin Martinez, J.; Martín Martínez, J.; Castro López, Rafael; Roca Moreno, Elisenda; Rodríguez, R.; Nafria, M.; Fernández Fernández, Francisco Vidal (Elsevier, 2019)Random Telegraph Noise (RTN)has attracted increasing interest in the last years. This phenomenon introduces variability ...
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Ponencia
A Direct Synthesis Method of Cascaded Continuous-Time Sigma-Delta Modulators
Tortosa Navas, Ramón; Rosa Utrera, José Manuel de la; Rodríguez Vázquez, Ángel Benito; Fernández Fernández, Francisco Vidal (2005)This paper presents an efficient method to synthesize cascaded sigma-delta modulators implemented with continuous-time ...
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Ponencia
A Family of matroid intersection algorithms for the computation of approximated symbolic network functions
Wambacq, Piet; Fernández Fernández, Francisco Vidal; Gièlen, Georges G.E.; Sansen, Willy M.C.; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1996)In recent years, the technique of simplification during generation has turned out to be very promising for the efficient ...
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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 Reuse-based framework for the design of analog and mixed-signal ICs
Castro López, Rafael; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (The International Society for Optical Engineering -SPIE, 2005)Despite the spectacular breakthroughs of the semiconductor industry, the ability to design integrated circuits (ICs) under ...
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Ponencia
Accurate VHDL-based simulation of Sigma Delta modulators
Castro López, Rafael; Fernández Fernández, Francisco Vidal; Medeiro Hidalgo, Fernando; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2003)The computational cost of transient simulation of /spl Sigma//spl Delta/ modulators (/spl Sigma//spl Delta/Ms) at the ...
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Artículo
Algorithm for efficient symbolic analysis of large analogue circuits
Wambacq, Piet; Gièlen, Georges G.E.; Sansen, Willy M.C.; Rodríguez Vázquez, Ángel Benito; Fernández Fernández, Francisco Vidal (Institution of Engineering and Technology, 1994)An algorithm is presented that generates simplified symbolic expressions for the small-signal characteristics of large ...
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Artículo
AMS/RF-CMOS circuit design for wireless transceivers
Castro López, Rafael; Rodríguez de Llera, Delia; Ismail, Mohammed; Fernández Fernández, Francisco Vidal (Elsevier, 2009) -
Ponencia
An accurate error control mechanism for simplification before generation algorithms
Guerra Vinuesa, Oscar; Rodríguez García, Juan D.; Roca Moreno, Elisenda; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1999)The use of simplification before generation techniques to enable the approximate symbolic analysis of large analog circuits ...
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Ponencia
An advanced symbolic analyzer for the automatic generation of analog circuit design equations
Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis (Institute of Electrical and Electronics Engineers, 1991)A tool for symbolic analysis of analog integrated circuits is presented featuring accurate simplification, pole/zero ...
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Ponencia
An algorithm for numerical reference generation in symbolic analysis of large analog circuits
García Vargas, Ignacio; Galán, Mariano; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1997)This paper addresses the problems arising in the calculation of numerical references (network function coefficients), ...
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Artículo
An automated design methodology of RF circuits by using Pareto-optimal fronts of EMsimulated inductors
González Echevarría, Reinier; Roca Moreno, Elisenda; Castro López, Rafael; Fernández Fernández, Francisco Vidal; Sieiro, J.; López Villegas, J. M.; Vidal, N. (Institute of Electrical and Electronics Engineers, 2017)A new design methodology for radiofrequency circuits is presented that includes electromagnetic (EM) simulation of the ...
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Ponencia
An error-controlled methodology for approximate hierarchical symbolic analysis
Guerra Vinuesa, Oscar; Rodríguez García, Juan D.; Roca Moreno, Elisenda; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2000)Limitations of existing approaches for symbolic analysis of large analog circuits are discussed. To address their solution, ...
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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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Artículo
Analog and mixed-signal IC design and design methodologies
Fernández Fernández, Francisco Vidal (Elsevier, 2003) -
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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Ponencia
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 ...
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Artículo
Chaotic image encryption using hopfield and hindmarsh–rose neurons implemented on FPGA
Tlelo-Cuautle, Esteban; Díaz-Muñoz, Jonathan Daniel; González-Zapata, Astrid Maritza; Li, Rui; León-Salas, Walter Daniel; Fernández Fernández, Francisco Vidal; Guillén-Fernández, Omar; Cruz-Vega, Israel (Multidisciplinary Digital Publishing Institute (MDPI), 2020)Chaotic systems implemented by artificial neural networks are good candidates for data encryption. In this manner, this ...
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Ponencia
Comparison of matroid intersection algorithms for large circuit analysis
Galán, Mariano; Fernández Fernández, Francisco Vidal; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1997)This paper presents two approaches to symbolic analysis of large analog integrated circuits via simplification during the ...