Ing Ind - Inf (Mag.)(ord. 270) - CR (263) MUSIC AND ACOUSTIC ENGINEERING
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052834 - ELECTRONICS AND ELECTROACOUSTICS FOR SOUND ENGINEERING
052830 - ELECTRONICS AND ELECTROACOUSTICS FOR SOUND ENGINEERING - MODULE 1: ELECTRONICS FOR SOUND ENGINEERING
Ing Ind - Inf (Mag.)(ord. 270) - MI (476) ELECTRONICS ENGINEERING - INGEGNERIA ELETTRONICA
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A
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052834 - ELECTRONICS AND ELECTROACOUSTICS FOR SOUND ENGINEERING
Obiettivi dell'insegnamento
The aim of the course-module 1-electronics is to provide an in-depth knowledge on electronic devices, electronic circuits and systems used for the acquisition, processing, recording, Analog-Digital Conversion of audio signals.
Risultati di apprendimento attesi
Dublin Descriptors
Expected learning outcomes
1) Knowledge and understanding
· know and understand the physical properties of the different amplifying devices used for audio signals.
· know the advanced circuits and systems for audio signal processing.
· know and understand the origin of the electronic noise and signal distortion in the electron devices and amplifiers.
· know how to enhance the signal to noise ratio in a circuit and in complex electronic system.
2) Applying knowledge and understanding
· Analize specifications of electron devices.
· Analize specifications of audio electronics.
· Design systems for analog signal processing.
5) Lifelong learning skills
· Students will learn how to analyze and design multi-stage electronic circuits for audio signal.
Argomenti trattati
Solid state electron devices for audio systems: BJT, JFET and MOSFET transistors: static and dynamic characteristics and parameters.
Thermionic valves for audio systems: diode, triode, tetrode and pentode: physics, static and dynamic characteristics and parameters.
Electronics for audio signal analog processing: single and multi stage transistor and valve amplifiers, signal transformers, preamplifiers, differential and instrumentation amplifiers, balanced input and output stages, phantom power supply, gain control, summing amplifiers, active filters, Baxandall tone control, resonant filters, graphic and parametric equalizers, voltage control amplifiers (VCA), gate amplifiers, compressors.
Mixing consoles: Analog and digital console architecture, preamplification, equalization, aux and group sections, pan pot, VCA section, mixing matrix, insert, buses, output modules.
Noise in electron devices and circuits: electronic noise: physics and models, noise power spectral densities, r.m.s. values; thermal, shot, 1/f noises. Noise characteristics of resistors, diodes, BJTs, JFETs, MOSFETs, Thermionic Valves. Noise model of amplifiers. Noise in multi-stage amplifiers.
Signal distortion in electronic circuits: distortion in BJT and FET amplifiers. Distortion analysis and measurement.
Power amplifiers: Class A, AB, C, D output stages; efficiency, distortion, output impedance. Specifications of Professional high power amplifiers.
Prerequisiti
Fundamentals of Electrical and Electronic devices and circuits
Modalità di valutazione
Type of Assessment
Description
Dublin descriptor
Written test
· Solution of numerical problems on audio analog circuits
· Critical discussion of a circuit
· Critical discussion on the data-sheet of a device, circuit or system for audio signal processing
· Questions on topics of the course’s program
1, 2
1, 2, 5
Oral test
· Discussion on problems of the written test
· Questions on topics of the course’s program
· Analytical solution of problems on circuit or system for audio signal processing
- Analysis of an audio signal processor chosen by the student (mandatory for students of Master in Electronics Engineering)
Inglese