Manuel J. Barragán

ORCID: 0000-0003-0187-604X
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About
Contact & Profiles
Research Areas
  • VLSI and Analog Circuit Testing
  • Analog and Mixed-Signal Circuit Design
  • Radio Frequency Integrated Circuit Design
  • Advancements in PLL and VCO Technologies
  • Advancements in Semiconductor Devices and Circuit Design
  • Integrated Circuits and Semiconductor Failure Analysis
  • Microwave Engineering and Waveguides
  • Microwave and Dielectric Measurement Techniques
  • Engineering and Test Systems
  • Semiconductor materials and devices
  • Electromagnetic Compatibility and Noise Suppression
  • VLSI and FPGA Design Techniques
  • Sensor Technology and Measurement Systems
  • Semiconductor Quantum Structures and Devices
  • Quantum and electron transport phenomena
  • 3D IC and TSV technologies
  • Advanced Adaptive Filtering Techniques
  • Electrostatic Discharge in Electronics
  • Photonic and Optical Devices
  • Advanced Power Amplifier Design
  • Low-power high-performance VLSI design
  • Cardiac Imaging and Diagnostics
  • Advanced MRI Techniques and Applications
  • Neural Networks and Applications
  • Fault Detection and Control Systems

Universidad de Alcalá
2025

Hospital Universitario Virgen Macarena
2023-2025

Institut polytechnique de Grenoble
2017-2024

Université Grenoble Alpes
2015-2024

Centre National de la Recherche Scientifique
2015-2024

Techniques of Informatics and Microelectronics for Integrated Systems Architecture
2015-2024

University of Concepción
2023

Amsterdam University Medical Centers
2023

Lillebaelt Hospital
2023

Sağlık Bilimleri Üniversitesi
2023

BACKGROUND-AIMThe Jaffe method tests for creatinine based on the formation of a colored complex between and alkaline picrate but interfering substances can cause errors.The enzymatic reduces interferences not all labs adopted it due to costs.This study aims create statistical model correct produce results similar those from method, make an easy way adopt daily use. METHODSThree hundred thirty-three (333) patients were enrolled March 20 29, 2019, including walk-in in-patients.Serum values...

10.1515/cclm-2023-7037 article EN Clinical Chemistry and Laboratory Medicine (CCLM) 2023-04-11

The increasing demand for efficient energy management in smart grids has led to the development of various Non-Intrusive Load Monitoring (NILM) techniques. These aim disaggregate consumption and classify appliances using data from a single-point meter at household's grid mains. With use machine learning methods, NILM solutions increasingly rely on datasets training validation. While like WHITED, BLOND, UK-DALE provide insights into patterns, they face limitations such as lack steady-state...

10.1038/s41597-025-04859-3 article EN cc-by-nc-nd Scientific Data 2025-03-29

Resumen Objetivos La predicción temprana de enfermedad crítica por COVID-19 es crucial para optimizar el manejo clínico. Este estudio tiene como objetivo la mediante integración datos clínicos, laboratorio y polimorfismos genéticos en modelos inteligencia artificial, evaluando comparando rendimiento distintos algoritmos aprendizaje automático. Métodos Se analizaron 155 pacientes hospitalizados, 23 los cuales desarrollaron crítica. realizó un análisis univariante evaluar asociación entre...

10.1515/almed-2024-0129 article ES cc-by Advances in Laboratory Medicine / Avances en Medicina de Laboratorio 2025-04-01

Abstract Objectives Early prediction of critical COVID-19 disease is crucial for an optimal clinical management. The objective this study was to optimize predictive models disease. Clinical data, laboratory data and genetic polymorphisms were integrated into AI compare the performance different machine learning algorithms. Methods Data from 155 inpatients analyzed, 23 whom developed A univariate analysis performed assess potential correlations between seven SNPs, nine variables 10 parameters...

10.1515/almed-2025-0073 article EN cc-by Advances in Laboratory Medicine / Avances en Medicina de Laboratorio 2025-05-05

This work proposes a generic methodology for selecting meaningful subsets of indirect measurements (signatures). allows precise predictions the DUT performances and/or pass/fail classification DUT, while minimizing number necessary measurements. Two simple figures merit are provided ranking sets signatures priori, before training any machine learning model. These two evaluate quality each signature based on its Brownian distance correlation to target specifications, and local distribution in...

10.1109/ets.2013.6569362 article EN 2013-05-01

Testing analog, mixed-signal and RF circuits represents the main cost component for testing complex SoCs.A promising solution to alleviate this is Alternate Test strategy.Alternate test an indirect approach that replaces costly specification measurements by simpler signatures.Machine learning techniques are then used map circuit signatures specifications.One key point still remains as open problem conception of adequate simple measurement candidates.This work presents efficient algorithms...

10.1109/mdat.2014.2361722 article EN IEEE Design and Test 2014-01-01

This paper presents a 7-parameter analytical model of the MOS transistor based on inversion charge targeted at development simplified circuit design methodologies that take into account physics transistor. The proposed design-oriented allows for first time to describe both main short-channel effects advanced nanometric technologies and dependence drain current voltage, while remains valid all bias regimes (from weak strong inversion) operating regions (linear saturated). A simple procedure...

10.1109/access.2022.3198644 article EN IEEE Access 2022-01-01

ou non, émanant des établissements d'enseignement et de recherche français étrangers, laboratoires publics privés.

10.1109/access.2024.3417316 article FR cc-by-nc-nd IEEE Access 2024-01-01

Accurate and efficient evaluation of alternative test methods is required for analog/mixed-signal circuits. To address this need, article presents a semiautomated practical simulation flow specifically targeting circuits with long times.

10.1109/mdat.2016.2590985 article EN IEEE Design and Test 2016-07-14

This paper proposes a fully-digital BIST architecture for the dynamic test of ΣΔ ADCs. The proposed relies on generating ternary stream that encodes high-linearity analog sinusoidal and injecting it directly at input modulator. Compared to well-known bitstream, use three logic levels in reduces quantization noise and, thereby, results with higher range covers full scale ADC. output response is analyzed on-chip using simplified version sine-wave fitting algorithm compute SNDR. A standard SPI...

10.1109/tcsi.2016.2602387 article EN IEEE Transactions on Circuits and Systems I Regular Papers 2016-10-20

The objective of this paper is to demonstrate the benefits using multiterminal DC links in distribution systems. A three level control strategy considered obtain an optimal power flow and improve voltages transient behavior. Analysis simulations are carried out over a medium voltage benchmark network from IEEE/CIGRE. Power losses reduction improved profiles can be obtained by adequate flows. Two analysis showing fault ride through capability sag mitigation performed. In addition scaled...

10.1109/pesgm.2012.6345504 article EN 2012-07-01

This article focuses on the design of high-performance coupled slow-wave coplanar waveguide (CS-CPW) in CMOS technologies for millimeter-wave (mm-wave) frequency bands. First, theory as well electrical model CS-CPW are presented. Next, analytical approach calculation parameters is discussed. Then, by using developed model, two mm-wave backward directional 3-dB couplers designed a bipolar complementary metal-oxide-semiconductor (BiCMOS) 55-nm technology 120- and 185-GHz operation,...

10.1109/tmtt.2020.3015974 article EN IEEE Transactions on Microwave Theory and Techniques 2020-08-21

This paper presents an on-chip stepwise ramp stimulus generator aimed at static linearity test applications for analog-to-digital converters (ADCs). The proposed is based on a simple switched-capacitor integrator with constant dc input. has been conveniently modified to produce very small integration gain proportional the capacitance difference of two capacitors, in such way that resulting signal output step size below least significant bit (LSB) target ADC under test. In order verify...

10.1109/tvlsi.2018.2876976 article EN IEEE Transactions on Very Large Scale Integration (VLSI) Systems 2018-11-09

This work demonstrates that multi-V <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">DD</sub> conditions may be used to improve the accuracy of machine learning models, significantly decreasing prediction error. The proposed technique has been successfully applied a previous alternate test strategy for LNAs based on response envelope detection. A prototype developed show its feasibility. consists low-power 2.4GHz LNA and simple detector,...

10.1109/ats.2011.15 article EN Asian Test Symposium 2011-11-01

This paper reports design, efficiency, and measurement results of the process variation temperature monitors for yield analysis enhancement in deep-submicron CMOS circuits. Additionally, to guide verification with information obtained through monitoring, two efficient algorithms based on an expectation-maximization method adjusted support vector machine classifier are proposed. The evaluated a prototype 12-bit analog-to-digital converter fabricated standard single poly six-metal 90-nm CMOS.

10.1109/tim.2012.2184195 article EN IEEE Transactions on Instrumentation and Measurement 2012-02-07

Beam-forming techniques using phased arrays are one of the most promising solutions for practical implementation future high-data-rate point-to-point communication protocols. The functionality is based on use phase shifters that should provide an accurate and controllable difference between different paths array. However, integration in current nanometric technologies prone to imperfections may affect intended shift degrade performance antenna This requires extensive testing calibration...

10.1109/vts.2018.8368622 preprint EN 2018-04-01

The objective of this paper is to demonstrate that the use a distributed approach for design inductance an LC-tank millimeter-wave (mm-wave) voltage-controlled oscillator (VCO) can lead higher performance. Performance improved in both frequency tuning range and power consumption thanks reduction cross-coupled pair size. direct comparison VCOs designed different technologies not straightforward, since performance varactors widely differ fabrication technologies. Hence, two were integrated...

10.1109/tcsi.2019.2926415 article EN IEEE Transactions on Circuits and Systems I Regular Papers 2019-07-30

This paper presents a simple and efficient methodology for LNA design which uses the inversion level of transistor as parameter in order to optimize energy efficiency. The method but accurate 7 parameter-based model valid all regions operation allows an preliminary sizing based on analytical study. proposed describes main short-channel effects advanced technologies evaluation nonlinearity. A use case using 28 nm FD-SOI technology is reflect that well suited designs at weak moderate...

10.1109/iscas46773.2023.10181341 article EN 2022 IEEE International Symposium on Circuits and Systems (ISCAS) 2023-05-21

A minimalist MOSFET model for circuit simulation with only five DC parameters written in Verilog-A is presented. The can be extracted from direct and simple methods common simulators. characteristics of transistors both 180-nm bulk CMOS 28-nm FD-SOI technologies generated by the five-parameter are compared those BSIM UTSOI2 models, respectively. some basic circuits using proposed 5-DC-parameter shows good matching model, at benefit a much simpler set parameters.

10.1109/newcas57931.2023.10198173 preprint EN 2023-06-26

ou non, émanant des établissements d'enseignement et de recherche français étrangers, laboratoires publics privés.

10.1109/iscas58744.2024.10558153 article FR 2022 IEEE International Symposium on Circuits and Systems (ISCAS) 2024-05-19
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