Learning outcomes of the course unit
To give a very concise panoramic view of some areas of modern electronics.
Mathematics, Calculus, Physics.
Course contents summary
Electron Devices - Semiconductors. Doping. Drift-diffusion model. P-N diode: equilibrium, reverse and forward bias; breakdown; capacitive effects (hints); example: half-wave rectifier. Bipolar Junction Transistor (BJT): I-V characteristics; forward-active region, current gain; saturation region; Safe Operating Area (SOA); capactive effects (hints); example: RTL inverter. MOSFET: I-V characteristics; enhancement and depletion devices; linear region and saturation; SOA; dynamic behavior (hints); p-MOSFETs; example: CMOS inverter.
Linear Analog Electronics – Linearity and linearizaton. Small-signal models: P-N diode, BJT, MOSFET. Linear amplifiers. Common-emitter amplifier: bias point; small-signal analysis; maximum efficiency in class A; class AB, B, and C operation (hints); high-frequency behavior. Common-collector and common-base amplifiers (hints). BJT differential amplifier. Ideal operational amplifiers. Feedback; 1st-order system in a negative feedback loop; stability of feedback systems; common-emitter amplifier with feedback. Linear applications of operational amplifiers. Non-idealities of operational amplifiers (hints).
Power Electronics – Half-wave and full-wave rectifiers: RC and RL filters; rectifier with RLE load. DC/DC converters: basic chopper; “Buck” regulator; “Boost” regulator; “Buck-Boost” regulator; ZCS and ZVC converters; full-bridge DC/DC converter; PWM modulation. Half-bridge and full-bridge inverters.
• R. Menozzi: “Appunti di Elettronica – Dispositivi ed elettronica analogica lineare”, Pitagora Editrice Bologna
• M. Rashid: “Power electronics”, Prentice-Hall
Analysis of simple electronic circuits and feedback systems
The examinations consists of an oral test.