Class Electronics I

  • Presentation


    Provide the student with the knowledge necessary to understand the fundamental elements of semiconductor electronics.
    Study of the basic circuits of electronics: circuits with diodes (rectifiers, limiters, peak detector, fasteners, voltage multipliers, voltage regulators, etc.); circuits with the bipolar junction transistor (amplifiers, switching circuits, current sources, etc.); circuits with operational amplifiers (inverter and / or non-inverter amplifier, summing amplifier, difference amplifier, integrating amplifier and differentiating amplifier).

  • Code


  • Syllabus


    Signals and amplifiers; Types of Amplifiers; Voltage, current and power gain; Bandwidth. Models.
    OPERATIONAL AMPLIFIERS: Operation. Modes of operation: linear and saturation. Inverter and non-inverter amplifier, inverter and non-inverter adder, difference amplifier, integrator and differentiator. Bandwidth. Main feature. Not ideal characteristics.
    JUNCTION DIODE PN: Symbology. Physical structure. Semiconductor basics. Characteristic V-I. Diode circuit analysis: diode models. The zener diode: characteristic V-I. Diode applications. Schottky diodes, the abrupt junction diode, varicap, photodiode and light emitting diode.
    BIPOLAR JOINT TRANSISTORS: NPN and PNP types. Symbology. Physical structure. Operation principle. Ebbers-Moll model. Modes of operation: direct active zone, saturation and cutting. Operating Point at rest. The TJB as a switch and amplifier. Models for weak signals and assemblies.

  • Objectives


    • Ability to interpret and understand the fundamental elements of semiconductor electronics.
    • Ability to model and size semiconductor circuits.
    • Ability to understand the limitations of the models / components used.
    • Ability to analyze and design some basic electronics circuits.
  • Teaching methodologies and assessment

    Teaching methodologies and assessment

    Provision of different study material in digital format, such as slides and exercises. Recourse to
    simulation software
  • References


    Apontamentos teóricos das aulas de Electrónica 1, Filipe Macedo.

    • Sedra, Adel S., Smith, K. C. Microelectronic Circuits. Sixth Edition. Oxford University Press, 2009.
    • Boylestad , Robert L, Nashelsky, Louis. Electronic Devices and Circuit Theory. 10th Edition. Pearson/Prentice Hall, 2009.
    • Medeiros Silva, Manuel. Introdução aos Circuitos Eléctricos e Electrónicos. 4.a Edição. Edições Gulbenkian, 2009.
    • Medeiros Silva, Manuel. Circuitos com transístores bipolares e MOS. 3.a Edição. Edições Gulbenkian, 2003.
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