Unit ELECTROMAGNETIC COMPATIBILITY

Course
Electronic engineering for the internet-of-things
Study-unit Code
70921609
Curriculum
Elettronica per l'aerospazio
Teacher
Marco Dionigi
Teachers
  • Marco Dionigi
Hours
  • 48 ore - Marco Dionigi
CFU
6
Course Regulation
Coorte 2021
Offered
2022/23
Learning activities
Caratterizzante
Area
Ingegneria elettronica
Academic discipline
ING-INF/02
Type of study-unit
Obbligatorio (Required)
Type of learning activities
Attività formativa monodisciplinare
Language of instruction
Italian
Contents

Basis of industrial and environmental electromagnetic compatibility
Reference texts

Clayton R. Paul “Introduction to Electromagnetic compatibility” Wiley
H.W. OTT “Electromagnetic compatibilità engineering” Wiley
Morgan “ Handbook for EMC testing and measurement” IET
Educational objectives

Electromagnetic compatibility in an industrial environment
The main instruments of electromagnetic compatibility
noise mitigation techniques
emission measurement techniques
test methods
Prerequisites

Course skills of:
Circuit theory, Electromagnetic fields, Antennas
Teaching methods

lessons and laboratory exercises
Other information

Learning verification modality

The exam includes an oral test and the presentation of a technical report produced independently or in a group.
The oral test consists of a discussion lasting about 30 minutes aimed at ascertaining the level of knowledge and understanding achieved by the student on the theoretical contents and
methods indicated in the program. The oral test will also enable students to verify the student's communication skills with language properties and autonomous organization of the exposition
on the same topics or theoretical content.
Extended program

1. Introduction to the course: Review of electromagnetism

2. Transmission lines, Telegraphist equations, Parameters per unit of length, Bifilar lines, coaxial, microstrip

3. Transmission lines, signal integrity, spice models, adaptation techniques

4. Signal integrity, line discontinuity, spice model

5. Spectral envelopes, crosstalk: Multiconductor lines

6. Crosstalk: approximate solution, inductive and capacitive coupling, common mode coupling.

7. Crosstalk spice patterns of coupled lines

8. Crosstalk: Shielded conductors, single and multiple screens, transfer function

9. Crosstalk: Twisted pairs, magnetic and electric coupling, winding effects, balanced power supply. Non-ideal devices: the resistor, the capacitor, the inductance

10. Radiation, dipole, dipole fields, lambda dipole radiation means Antennas, theoretical references, characterization Antennas, gain, radiation diagram, broadband antennas.

11. Electromagnetic regulation

12. Electromagnetic compatibility tools: spectrum analyzer, hand-held meter


13. Radiated emissions, emissions from current systems, emission models for common mode and differential mode currents.

14. Susceptibility, plane wave that invests a two-wire pair, a flat wave on a coaxial cable. FDTD simulation

15. Conducted emissions, lisn, measures, susceptibility conducted

16. Shielding: Shielding efficiency, shielding factors

17. Shields: Effect of materials, far-field shielding, and near field. Shielding of magnetic fields

18. field shielding. near examples and calculations

19. Simulations of shielding structures, slits and openings.

20. Calculation of impedance and propagation constant on transmission lines. Introduction to the characterization of materials.

21. Interaction between electromagnetic fields and biological tissues
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