italian version

Aims :

To know the principles of operation of single stage amplifiers. To be able to analyse multistage amplifiers and amplifiers with feedback. To be able to design single and multistage amplifiers with transistors or operational amplifiers.

Topics :

Introduction. Non-linear circuit analysis: linearization, DC analysis, AC analisys. Elements of circuit theory: linear active and passive components, voltage division and current division, amplifier representations.
Non Linear Applications. The diode: DC characteristic, picewise linear model, small-signal model. Zener diode. Circuits with diodes: limiting and DC restoring circuits, voltage doublers, rectifiers, peak holders.
Voltage regulator with zener diode. Design of a regulated power supply.
BJT. Solid state electronics elements: insulators, conductors and semiconductors. Band diagrams, p-n junction, bipolar junction transistor. Single stage amplifier with BJT: Common Emitter. Biasing circuit, AC and DC behaviours. Common Emitter with emitter resistance, Common Base and Common Collector.
Current mirrors with BJT. Mirrors with emitter resistances, Wilson's mirror, modifies Wilson's mirror, cascode mirror.
MOSFET. Qualitative behaviour of MOSFET. Band diagrams. i-v charactoristics. Biasing networks and single stage amplifiers.
Frequency behaviour. Frequency behaviour of single stage amplifiers and coscode analized with the time constant method. Cascode biasing.
JFET. Input and output characteristics.
Multistage and differential amplifiers. Large signal analysis. Small-signal analysis: differential gain, common mode gain, CMRR. Differential amplifier with active load. Multistage amplifiers.
Feedback. Negative feedback properties. The four types of feedback: series-series, shunt-shunt, series-shunt, shunt-series. The stability. Amplifier compensation.
Operational amplifier. The ideal Op-Amp. Basic circuits with the op-amp. Real op-amp. Frequency behaviour.
Power stages. A, B, and AB power stages.

Textbooks :

Richard C. Jaeger, Travis N. Blalock, "Elettronica Analogica", seconda edizione, McGraw-Hill, 2005.
Richard C. Jaeger, Travis N. Blalock, "Circuiti integrati analogici", seconda edizione, McGraw-Hill, 2005.

Exam :

Written and oral test.

Tutorial Session :

From monday to thursday from 15:00 to16:00.