This course completes the basic electronic elements addressed in the previous "Electronic systems, technologies and meaurements” course, providing detailed analysis of medium-complexity electronic systems, including mainly digital units, and introducing some design issue. The course includes the fundamental concepts of Analog to Digital interfacing, considering the circuits that must interface with sensors and actuators.

Ability to analyze circuits using analog, and digital signals, including ADC and DAC. Understanding the characteristics of electronic devices and integrated circuits, ability to use the data sheets. Ability to define the characteristics of functional blocks, and to design blocks of limited complexity using integrated commercial components. Knowledge of issues and techniques for interfacing and communication between modules, basic protocols, design of simple interfaces. Knowledge of the different manufacturing techniques and design flow for electronic systems, with related parameters (speed, power consumption, cost) and features. Ability to design interface circuits with sensors and actuators, using their typical parameters.

Analysis of electrical networks and characteristics of signals in the time and frequency domains. Models and characteristics of diodes, MOS Transistors, operational amplifiers. Behaviour, parameters and models of operational amplifiers and basic logic circuits. Tools and techniques for basic measurements (voltage, current, spectral analysis); quantitative analysis of measurement errors.

Combinatorial digital circuits (10h) - Functional specifications. - nMOS, pMOS and CMOS technologies. - Electrical and interfacing features. - Experimental laboratories. Complex logic circuits: (10 h) - Review on basic sequential logic circuits; - Programmable logic circuits, PLA, FPGA. - Memory Bus and interconnections (18 h) - Review of transmission lines behaviour, reflections, termination, crosstalk. - Layered model for interconnections, topologies, taxonomy. - Synchronization protocols for reading and writing, master-slave protocols, multi-master, arbitration. - Examples of standard protocols. - Techniques for the distribution of clock signals and power. Data acquisition systems (18 h) - Conversion systems, sampling and quantization. - Techniques and circuits for A / D to D / A. - Signal conditioning, multiplexers, Sample / Hold. - Systems Analog / Digital, an example of complex system with microporous / DSP or FPGA. Power Systems and Power Supplies (8 h) - Energy management: Power supply, Battery Charger; - Single and full wave rectifiers; - PWM regulation. - Dissipative and switching voltage regulators; examples of integrated devices. Sensors and Actuators interfacing (8 h) - Interface circuits with basic sensors and actuators. - Instrumentation amplifiers Electronic drivers for main actuators (8h) - Switching use of MOSFETs. - Resistive and inductive load driving. - Half-bridge and bridge circuits.

The course includes classroom exercises, consisting in the analysis of circuits and electronic systems and small projects, related to the topics of the lectures. Laboratory experiments (15 hours) are carried out by student teams and a report on procedures and results of measurements must be delivered by each team. The experimental activities address: Characterization of simple combinational logic and sequential logic circuits Digital interconnections, reflections, termination ; D/A and A/D converters;

F. Maloberti: Understanding Microelectronics: A Top-Down Approach; Wiley, December 2011, ISBN: 978-0-470-74555-7. N. Storey, “Electronics: a system approach”, Pearson, Fourth edition

Modalità di esame: Prova scritta tramite PC con l'utilizzo della piattaforma di ateneo;

The final assessment is based on a written test and a optional oral examination. The written test includes 4 mandatory numerical problems related to the most important topics and 10 mandatory quiz. 3 optional questions cover the Virtual Lab part. The time slot for the written examination is 2.5 hours. The final score is given by a weighted average of the evaluations for the written examinations . The exam grade is calculated as: mandatory part: 10 quiz and 4 problems (max 27/30 points) + points on Virtual Lab questions (max 3 points in total) Oral exam (colloquim of 15-20 minutes) is not mandatory and can be requeted by the stundent: points from -3 to maximum +3

Modalità di esame: Test informatizzato in laboratorio; Prova scritta tramite PC con l'utilizzo della piattaforma di ateneo;

The final assessment is based on a written test and a optional oral examination. The written test includes 4 mandatory numerical problems related to the most important topics and 10 mandatory quiz. 3 optional questions cover the Virtual Lab part. The time slot for the written examination is 2.5 hours. The final score is given by a weighted average of the evaluations for the written examinations . The exam grade is calculated as: mandatory part: 10 quiz and 4 problems (max 27/30 points) + points on Virtual Lab questions (max 3 points in total)