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Listar Instituto de Microelectrónica de Sevilla (IMSE-CNM) por autor "Fiorelli, Rafaella"
Mostrando ítems 1-10 de 10
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Ponencia
A 76nW, 4kS/s 10-bit SAR ADC with offset cancellation for biomedical applications
Delgado Restituto, Manuel; Carrasco Robles, Manuel; Fiorelli, Rafaella; Ginés Arteaga, Antonio José; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2016)This paper presents a 10-bit fully-differential rail-to-rail successive approximation (SAR) ADC designed for biomedical ...
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Ponencia
A High TCMRR, Inherently Charge Balanced Bidirectional Front-End for Multichannel Closed-Loop Neuromodulation
Valtierra, José Luis; Fiorelli, Rafaella; Pérez Prieto, Norberto; Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2019)This paper describes a multichannel bidirectional front-end for implantable closed-loop neuromodulation. Stimulation ...
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Ponencia
A Sub-µW Reconfigurable Front-End for Invasive Neural Recording
Valtierra, José Luis; Fiorelli, Rafaella; Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2019)This paper presents a sub-μW ac-coupled reconfigurable front-end for the purpose of neural recording. The proposed topology ...
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Ponencia
Effects of capacitors non-idealities in un-even split-capacitor array SAR ADCs
Fiorelli, Rafaella; Guerra Vinuesa, Oscar; Río Fernández, Rocío del; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2016)This paper studies the effects of capacitors non-idealities in the performance of un-even split-capacitor SAR ADCs. Also, ...
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Artículo
LC-VCO design optimization methodology based on the gm/ID ratio for nanometer CMOS technologies
Fiorelli, Rafaella; Peralías Macías, Eduardo; Silveira Noguerol, Fernando (Institute of Electrical and Electronics Engineers, 2011)In this paper, an LC voltage-controlled oscillator (LC-VCO) design optimization methodology based on the gm/ID technique ...
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Ponencia
Mixed-signal quadratic operators for the feature extraction of neural signals
Delgado Restituto, Manuel; Fiorelli, Rafaella; Carrasco Robles, Manuel; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2016)This paper presents design principles for reusing charge-redistribution SAR ADCs as digital multipliers. This is illustrated ...
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Artículo
MOST moderate-weak-inversion region as the optimum design zone for CMOS 2.4-GHz CS-LNAs
Fiorelli, Rafaella; Silveira Noguerol, Fernando; Peralías Macías, Eduardo (Institute of Electrical and Electronics Engineers, 2014)In this paper, the MOS transistor (MOST) moderate-inversion (MI)-weak-inversion (WI) region is shown to be the optimum ...
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Artículo
Offset-calibration with Time-Domain Comparators Using Inversion-mode Varactors
Fiorelli, Rafaella; Delgado Restituto, Manuel; Rodríguez Vázquez, Ángel Benito (Institute of Electrical and Electronics Engineers, 2019)This paper presents a differential time-domain comparator formed by two voltage controlled delay lines, one per input ...
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Artículo
On-chip characterization of RF systems based on envelope response analysis
Barragán Asián, Manuel José; Fiorelli, Rafaella; Vázquez García de la Vega, Diego; Rueda Rueda, Adoración; Huertas Díaz, José Luis (Institution of Engineering and Technology, 2010)A simple on-chip procedure for testing embedded RF blocks is presented. It is based on the detection and spectral analysis ...
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Artículo
Semi-empirical RF MOST model for CMOS 65 nm technologies: theory, extraction method and validation
Fiorelli, Rafaella; Peralías Macías, Eduardo (Elsevier, 2016)This paper presents a simple but accurate semi-empirical model especially focused on 65 nm MOST (MOS transistor) technologies ...