Cours - Électronique et automatique
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Cours de électronique et automatique, partagés par des étudiants et des enseignants. Thèmes couverts : automatisme, asservissement, microcontrôleur, Arduino, VHDL, signal.
This document discusses the development and principles of Phase Locked Loops (PLL) in the context of telecommunications. It details the components involved in a PLL, such as phase comparators, low-pass filters, and voltage-controlled oscillators. The document also explores the historical context and technological advancements in PLL implementations.
Ce cours traite des systèmes d'ordre élevé et de leur étude harmonique. Les objectifs incluent la connaissance des signaux et des systèmes asservis, ainsi que la maîtrise des outils de transformation des signaux. Le contenu comporte des critères géométriques pour l'étude de la stabilité des systèmes.
This document provides an overview of stepper motors, their operation, and their characteristics. It outlines different types of stepper motors, including permanent magnet, variable reluctance, and hybrid motors. The document also discusses the principles of position control in stepper motors and the nature of their power supply.
Ce document traite des concepts fondamentaux liés aux transistors bipolaires en régime variable, notamment l'amplification. Les étudiants apprendront à connaître les composants électroniques, évaluer leurs caractéristiques et à les exploiter dans des montages pratiques. L'accent est mis sur les paramètres hybrides du transistor et leur impact sur les performances des circuits.
This course introduces the concepts of electronic amplifiers focusing on classes A, B, AB, and C. It explains how to polarize the base of a transistor and the implications of each class for audio applications. The lesson also includes practical examples involving resistor calculations for biasing transistors.
This chapter covers the various types of measurement devices, focusing on both analog and digital devices. It explores the characteristics of these devices, how they operate, and classification based on their physical principles. The chapter aims to equip learners with knowledge about measurement technologies for practical applications.
Cette leçon introduit l'électronique en partant des bases pour concevoir et construire un émetteur. Elle se compose de théories simplifiées sur les oscillateurs HF et de pratiques permettant de monter un émetteur FM. Les étudiants acquerront les compétences nécessaires pour émettre des signaux de manière concrète.
This lesson explains the operation of thyristors and triacs, comparing them to relays for better understanding. It discusses their functionality in electronic circuits, their differences from relays, and their significance in fast switching applications. Critical characteristics and connections are also outlined.
This lesson introduces analog-to-digital converters, discussing the nature of electronic signals and Shannon's sampling theorem. It also reviews the main types of converters and their performance. The document emphasizes the importance of understanding these concepts in the context of signal processing and physics.
Ce cours traite des schémas fonctionnels des systèmes continus linéaires invariants, en mettant l'accent sur la transformation de ces schémas pour différentes structures. Les élèves apprendront à manipuler les techniques de représentation des systèmes et à maîtriser les outils de transformation des signaux. Le cours intègre également des exemples pratiques pour illustrer chaque concept.
This document covers the fundamentals of junction diodes, including their construction, operation, and characteristics. It discusses the concepts of PN junctions, both unbiased and biased, and details the current dynamics through different polarization methods. The document also includes theoretical content and evaluation methods for the course.
This document discusses the historical evolution, architecture, and functionality of Programmable Logic Controllers (PLCs), also referred to as 'Automates Programmables Industriels (API).' It details their transition from systems using electromagnetic relays to microprocessor-based programmable systems highlighting cost efficiency and adaptability. The different types of system components like actionneurs, pré-actionneurs, and capteurs are explained, alongside their operational and structural principles. The document outlines the goal of automation: increasing productivity, improving qualit...
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This document presents an in-depth analysis of automatic fingerprint recognition systems. It covers historical background, key characteristics of fingerprints, and detailed methodologies for fingerprint recognition, including binarization, enhancement, thinning, and minutiae extraction. The thesis concludes with discussions on the effectiveness of various algorithms used for matching fingerprints.
The document explores sequential logic, discussing concepts such as flip-flops, their truth tables, and types like RS, D, JK, and JKMS flip-flops. It delves into the design and functioning of counters and decounters, emphasizing synchronous and asynchronous variants (modulo 8, 10, 16). Key challenges addressed include propagation delays in asynchronous counters and their resolution via synchronous methods. Practical examples demonstrate implementations of counting devices using JK flip-flops, alongside explanations of modulo counters and reset mechanisms.
This course module covers the design and construction of CMOS logic gates in the Full Custom context. Students learn about the components, processes, and optimization techniques for creating efficient digital circuits. Emphasis is placed on understanding how to manage PMOS and NMOS networks to achieve desired logical functions.
This project presents the design and development of an automatic identity authentication system using fingerprints. The focus is on implementing the best algorithm for comparing multiple fingerprints. The study emphasizes the significance of fingerprint recognition as a biometric authentication technique.
This document discusses the principles of digital communications and information theory. It covers topics such as signal representation, sampling, digital modulation, and error correction codes. The content is structured into multiple chapters addressing different aspects of the subject matter.
Ce document traite des principes de la transmission numérique dans un canal à bande passante limitée. Il aborde des sujets tels que la caractérisation des canaux, la démodulation des signaux et le rapport signal-sur-bruit. Les exemples incluent des calculs spécifiques pour le SNR en présence de bruit AWGN.
This document outlines the objectives and structure of a course focused on the VHDL language, emphasizing digital circuit modeling and synthesis. It includes information on course topics such as basic elements, syntax, and standard operators. The course aims to provide students with a comprehensive understanding of VHDL for digital systems design.
This document covers advanced topics in signal processing, focusing on transformations and filter analysis. It includes definitions, properties, and classifications of various transforms like Fourier and Z-transform. The text is aimed at students in their third year of studies in electronics and computer science.
This document discusses random signals and their properties, focusing on the probabilistic nature of these signals. It explores the relationship between physical phenomena and randomness in signals, highlighting examples like speech, electromyograms, and brain activity. The text serves as an introductory guide to understanding random processes in engineering contexts.
This document presents a course on signal processing. It covers fundamental concepts such as Fourier transforms, correlation, spectra, and various types of signal classes. The course outlines essential properties and techniques used in analyzing and synthesizing information.




















