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Listar por autor "Pérez Verdú, Belén"
Mostrando ítems 21-40 de 59
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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 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
Chaos From Switched-Capacitor Circuits: Discrete Maps
Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis; Rueda Rueda, Adoración; Pérez Verdú, Belén (Institute of Electrical and Electronics Engineers, 1987)A special-purpose analog computer made of switched-capacitor circuits is presented for analyzing chaos and bifurcation ...
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Artículo
Chaos via a piecewise-linear switch ed-capacitor circuit
Rodríguez Vázquez, Ángel Benito; Rueda Rueda, Adoración; Pérez Verdú, Belén; Huertas Díaz, José Luis (Institution of Engineering and Technology, 1987)A nonlinear switched-capacitor circuit that generates chaotic signals is reported. The circuit is described by a first-order ...
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Artículo
Circuits and Systems Letters: A Novel SC Oscillator
Huertas Díaz, José Luis; Rodríguez Vázquez, Ángel Benito; Pérez Verdú, Belén (Institute of Electrical and Electronics Engineers, 1984) -
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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Artículo
Compact CMOS active quenching/recharge circuit for SPAD arrays
Vornicu, Ion; Carmona Galán, Ricardo; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Wiley-Blackwell, 2016)Avalanche diodes operating in Geiger mode are able to detect single photon events. They can be employed to photon counting ...
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Tesis Doctoral
Convertidores A/D sigma delta de altas prestaciones en tecnologías CMOS submicrométricas
Río Fernández, Rocío del (2004)El trabajo desarrollado en esta Tesis pretende demostrar la viabilidad de implementar de forma robusta convertidores ...
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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 ...
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Ponencia
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 ...
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Ponencia
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 ...
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Ponencia
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 ...
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Ponencia
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 ...
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Ponencia
Experimental Characterization of IdleTones in Second-Order Bandpass ΣΔ Modulators
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (2000)This paper analyses the tonal behaviour of the quantization noise in second-order bandpass ΣΔ modulators. The analysis ...
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Ponencia
Form Factor Improvement of Smart-Pixels for Vision Sensors through 3-D Vertically- Integrated Technologies
Rodríguez Vázquez, Ángel Benito; Carmona Galán, Ricardo; Fernández Berni, Jorge; Vargas Sierra, Sonia; Leñero Bardallo, Juan Antonio; Suárez Cambre, Manuel; Brea Sánchez, Víctor Manuel; Pérez Verdú, Belén (Institute of Electrical and Electronics Engineers, 2014)While conventional CMOS active pixel sensors embed only the circuitry required for photo-detection, pixel addressing and ...
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Artículo
Fourth-order cascade SC ΣΔ modulators: a comparative study
Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Rosa Utrera, José Manuel de la; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1998)Fourth-order cascade ΣΔ modulators are very well suited for IC implementation using analog sampled-data circuits because ...
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Ponencia
Harmonic Distortion in Fully-Differential 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 (1999)This paper presents a systematic analysis of the harmonic distortion in SD modulators (SDMs) implemented with ...
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Artículo
High-Frequency Design of the Wien-Bridge Oscillator Using Composite Amplifiers
Rodríguez Vázquez, Ángel Benito; Huertas Díaz, José Luis; Pérez Verdú, Belén (Institute of Electrical and Electronics Engineers, 1987) -
Artículo
High-level synthesis of switched-capacitor, switched-current and continuous-time ΣΔ modulators using SIMULINK-based time-domain behavioral models
Ruiz Amaya, Jesús; Rosa Utrera, José Manuel de la; Fernández Fernández, Francisco Vidal; Medeiro Hidalgo, Fernando; Río Fernández, Rocío del; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2005)This paper presents a high-level synthesis tool for ΣΔ Modulators (ΣΔMs) that combines an accurate SIMULINK-based time-domain ...
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Ponencia
High-order cascade multi-bit Σ∆ modulators for high-speed A/D conversion
Río Fernández, Rocío del; Medeiro Hidalgo, Fernando; Pérez Verdú, Belén; Rodríguez Vázquez, Ángel Benito (Universidad Carlos III, 1998)The use of Sigma-Delta (Σ∆) modulation for analog-to-digital conversion (ADC) in the communication frequency range is ...