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Listar por autor "Rosa Utrera, José Manuel de la"
Mostrando ítems 1-20 de 97
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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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Artículo
A 0.9-V 100-mu W Feedforward Adder-Less Inverter-Based MASH Delta Sigma Modulator With 91-dB Dynamic Range and 20-kHz Bandwidth
Honarparvar, Mohammad; Rosa Utrera, José Manuel de la (Institute of Electrical and Electronics Engineers, 2018)A 0.9-V ΔΣ modulator integrated into a 0.18-μm CMOS technology for digitizing signals in low-power devices is presented ...
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Artículo
A 10-MHz BW 77.3-dB SNDR 640-MS/s GRO-Based CT MASH Delta Sigma Modulator
Honarparvar, Mohammad; Rosa Utrera, José Manuel de la; Sawan, Mohammad (Institute of Electrical and Electronics Engineers, 2020)We present in this brief a novel multi-stage noiseshaping (MASH) 3-1 continuous-time (CT) delta-sigma modulator (M) with ...
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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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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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Artículo
A 2-MS/s, 11.22 ENOB, Extended Input Range SAR ADC With Improved DNL and Offset Calculation
Asghar, Sohail; Afridi, Sohaib Saadat; Pillai, Anu; Schuler, Anita; Rosa Utrera, José Manuel de la; O'Connell, Ivan (Institute of Electrical and Electronics Engineers, 2018)Abstract— A 12-bit successive approximation register analogto-digital converter (ADC) with extended input range is presented. ...
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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 2.5MHz 55dB Switched-Current BandPass ΣΔ Modulator for AM Signal Conversion
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 1997)We present a Switched-Current (SI) fourth-order bandpass ΣΔ modulator IC prototype. It uses fully-differential circuits ...
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Artículo
A CMOS 0.8 μm fully differential current mode buffer for HF SI circuits
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Domínguez Castro, Rafael; Rodríguez Vázquez, Ángel Benito (Elsevier, 1998)We present a high-frequency fully-differential current-mode buffer to interface off-chip currents with no significant ...
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Artículo
A CMOS 0.8- µm transistor-only 1.63-MHz switched-current bandpass ΣΔ modulator for AM signal A/D conversion
Rosa Utrera, José Manuel de la; Pérez Verdú, Belén; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2000)This paper presents a CMOS 0.8-/spl mu/m switched-current (SI) fourth-order bandpass /spl Sigma//spl Delta/ modulator ...
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Artículo
A CMOS 110-dB@40-kS/s programmable-gain chopper-stabilized third-order 2-1 cascade sigma-selta modulator for low-power high-linearity automotive aensor ASICs
Rosa Utrera, José Manuel de la; Escalera Morón, Sara; Pérez Verdú, Belén; Medeiro Hidalgo, Fernando; Guerra Vinuesa, Oscar; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2005)This paper describes a 0.35-μm CMOS chopper-stabilized switched-capacitor 2-1 cascade ΣΔ modulator for automotive sensor ...
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Ponencia
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 ...
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Artículo
A design tool for high-resolution high-frequency cascade continuous- time Σ∆ modulators
Tortosa Navas, Ramón; Castro López, Rafael; Rosa Utrera, José Manuel de la; Rodríguez Vázquez, Ángel Benito; Fernández Fernández, Francisco Vidal (SPIE, 2007)This paper introduces a CAD methodology to assist the de signer in the implementation of continuous-time (CT) cas- cade ...
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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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Artículo
A fast readout electronic system for accurate spatial detection in ion beam tracking for the next generation of particle accelerators
Fernández Martínez, Begoña; Garzón-Camacho, A.; González Álvarez, Marcos Aurelio; Ceballos, Joaquín; Rosa Utrera, José Manuel de la (Institute of Electrical and Electronics Engineers Inc, 2015)This paper presents the design, implementation, and measurements of a complete electronic frontend intended for high-resolution ...
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Ponencia
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 ...
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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 ...