The course introduces to the fundamentals of analog electronics.
The structure, operation and models of the main electronic devices (diodes, bipolar transistors and field effect transistors) and their use in fundamental analog circuits will be illustrated, studying their properties in both time and frequency domain.
The course includes an introduction to operational amplifiers and their applications.
The objective of the course is to provide the basis for the analysis and the design of the circuits of most common analog electronic systems.
The structure, operation and models of the main electronic devices (diodes, bipolar transistors and field effect transistors) and their use in fundamental analog circuits will be illustrated, studying their properties in both time and frequency domain.
The course includes an introduction to operational amplifiers and their applications.
The objective of the course is to provide the basis for the analysis and the design of the circuits of most common analog electronic systems.
teacher profile teaching materials
Introduction to electronics. Principle of operation and models of: the pn junction, the bipolar junction transistor (BJT) and the metal-oxide-semiconductor field effect transistor (MOSFET). Biasing the BJT and the MOSFET. Single and multiple stage amplifiers. Differential amplifier. Current sources. Active loads. Frequency response of electronic amplifiers. Logic gates and amplifiers in NMOS and CMOS technology. Feedback theory and feedback amplifiers. Sinusoidal oscillators. Output stages. Other applications of most common analog device circuits.
Course syllabus (detailed)
Introduction: a bit of history, classification of electronic signals, conventions, problem-solving approach, basic concepts from circuit theory, electronic amplifiers, logic inverters, element variation in circuit design, numeric precision.
Solid state electronics: semiconductors and electronic devices, resistivity of insulators, conductors and semiconductors, covalent bonds and band diagrams, forbidden band, intrinsic concentration, electrons and holes in semiconductors, donors and acceptors, controlling carrier concentration with doping, drift and diffusion current, mobility and saturation velocity, temperature and doping dependence of mobility.
Diodes and diode circuits: structure and layout, electrostatics of the pn junction, regions of operation (forward, reverse, breakdown), large and small signal models, analysis and design of diode circuits, applications (rectifiers, power supplies, regulators, DC-DC converters).
Field effect transistor (MOSFET): structure and principle of operation, regions of operation (triode, saturation, cut-off), analytical model and i-v characteristics, DC MOSFET circuits, bias of MOSFET, the MOSFET as an amplifier and as a logic inverter, small signal equivalent circuits, single stage MOS amplifiers, MOSFET capacitances and frequency response, NMOS and CMOS logic inverters.
Bipolar junction ransistor (BJT): structure and principle of operation, regions of operation (active, inverse, saturation, cut-off), analytical model and i-v characteristics, DC BJT circuits, bias of BJT, the BJT as an amplifier and as a logic inverter, small signal equivalent circuits, single stage BJT amplifiers, BJT capacitances and frequency response, discrete voltage regulators.
Integrated amplifiers: design concept of integrated circuits, MOSFET/BJT comparison, biasing integrated circuits, frequency response, CS and CE amplifiers, CG and CB amplifiers, the Cascode amplifier, CD and CC amplifiers.
Differential amplifier: MOSFET differential pair, large and small signal operation, BJT differential pair, large and small signal operation, ideal/real differential amplifiers, active loaded differential amplifiers, frequency response.
Feedback: basic concepts of feedback theory, classification of feedback circuits, properties, examples, stability and compensation.
Sinusoidal oscilators: introduction to oscillators, the Barkhausen criteria, LC tuned oscillators (Colpitts and Hartley), crystal oscillators, design examples.
Output stages and power amplifiers: characteristics and classification of output stages, common emitter class A output stage, common collector class A output stage, class B and AB, power efficiency and dissipation.
or
A.S. Sedra, K.C. Smith "Circuiti per la microelettronica" EDISES 3rd edition
or
A.S. Sedra, K.C. Smith "Microelectronic Circuits (5th edition or later)
+ additional contents on Moodle e-learning platform
Programme
Course syllabus (short)Introduction to electronics. Principle of operation and models of: the pn junction, the bipolar junction transistor (BJT) and the metal-oxide-semiconductor field effect transistor (MOSFET). Biasing the BJT and the MOSFET. Single and multiple stage amplifiers. Differential amplifier. Current sources. Active loads. Frequency response of electronic amplifiers. Logic gates and amplifiers in NMOS and CMOS technology. Feedback theory and feedback amplifiers. Sinusoidal oscillators. Output stages. Other applications of most common analog device circuits.
Course syllabus (detailed)
Introduction: a bit of history, classification of electronic signals, conventions, problem-solving approach, basic concepts from circuit theory, electronic amplifiers, logic inverters, element variation in circuit design, numeric precision.
Solid state electronics: semiconductors and electronic devices, resistivity of insulators, conductors and semiconductors, covalent bonds and band diagrams, forbidden band, intrinsic concentration, electrons and holes in semiconductors, donors and acceptors, controlling carrier concentration with doping, drift and diffusion current, mobility and saturation velocity, temperature and doping dependence of mobility.
Diodes and diode circuits: structure and layout, electrostatics of the pn junction, regions of operation (forward, reverse, breakdown), large and small signal models, analysis and design of diode circuits, applications (rectifiers, power supplies, regulators, DC-DC converters).
Field effect transistor (MOSFET): structure and principle of operation, regions of operation (triode, saturation, cut-off), analytical model and i-v characteristics, DC MOSFET circuits, bias of MOSFET, the MOSFET as an amplifier and as a logic inverter, small signal equivalent circuits, single stage MOS amplifiers, MOSFET capacitances and frequency response, NMOS and CMOS logic inverters.
Bipolar junction ransistor (BJT): structure and principle of operation, regions of operation (active, inverse, saturation, cut-off), analytical model and i-v characteristics, DC BJT circuits, bias of BJT, the BJT as an amplifier and as a logic inverter, small signal equivalent circuits, single stage BJT amplifiers, BJT capacitances and frequency response, discrete voltage regulators.
Integrated amplifiers: design concept of integrated circuits, MOSFET/BJT comparison, biasing integrated circuits, frequency response, CS and CE amplifiers, CG and CB amplifiers, the Cascode amplifier, CD and CC amplifiers.
Differential amplifier: MOSFET differential pair, large and small signal operation, BJT differential pair, large and small signal operation, ideal/real differential amplifiers, active loaded differential amplifiers, frequency response.
Feedback: basic concepts of feedback theory, classification of feedback circuits, properties, examples, stability and compensation.
Sinusoidal oscilators: introduction to oscillators, the Barkhausen criteria, LC tuned oscillators (Colpitts and Hartley), crystal oscillators, design examples.
Output stages and power amplifiers: characteristics and classification of output stages, common emitter class A output stage, common collector class A output stage, class B and AB, power efficiency and dissipation.
Core Documentation
A.S. Sedra, K.C. Smith "Circuiti per la microelettronica" EDISES 4th editionor
A.S. Sedra, K.C. Smith "Circuiti per la microelettronica" EDISES 3rd edition
or
A.S. Sedra, K.C. Smith "Microelectronic Circuits (5th edition or later)
+ additional contents on Moodle e-learning platform
Type of evaluation
The evaluation includes a written test and an oral test (the oral exam is only accessed after passing the written one). Alternatively, it is possible to access the oral exam by passing the three intermediate tests.