Learning objectives
Providing the students with basic knowledge of electronic analog circuits, with specific focus on linear amplifiers.
Prerequisites
Analisi matematica (ABC). Fisica generale (ABC). Elettrotecnica AB. Fondamenti di Elettronica A.
Course unit content
<p> 1) Linearization and small-signal models – Linearity and distortion; linearization; small-signal model of the p-n diode; small-signal model of the common-emitter BJT; small-signal model of the common-source MOSFET.2) Single-transistor amplifiers at low frequency – Network functions; common-emitter amplifier; common-collector amplifier; common-base amplifier.3) Frequency-domain analysis of the common-emitter amplifier – Short-circuit current gain; open-circuit voltage gain; capacitive coupling.4) Two-transistor amplifiers – Common collector – common emitter amplifier; common collector – common collector amplifier; Darlington amplifier; Cascode amplifier.5) The differential amplifier – Ideal differential amplifier in bipolar technology; offset voltage; common-mode rejection ratio.6) Ideal operational amplifiers – Feedback; stability of circuits with feedback; circuits with operational amplifiers.7) Current sources and active loads – Current mirror in bipolar technoogy; Widlar current source; Cascode current source; Wilson current source; common-emitter amplifier with active load; differential amplifier with active load.</p>
Bibliography
R. Menozzi, "Appunti di elettronica: dispositivi ed elettronica analogica lineare", 2nd ed., Pitagora Editrice Bologna, 2006, ISBN 88-371-1624-1. <br />
- P.R. Gray, R.G. Meyer, “Circuiti integrati analogici”, 2nd ed., McGraw-Hill, 1994, ISBN 88-386-0702-8. <br />
- P. Cova, "Elettronica analogica - 60 semplici esercizi svolti", Santa Croce, 2003.
Teaching methods
The test is made of a written test and an oral test. Students must pass the written test to be admitted to the oral test.
