|SCIENTIFIC DISCIPLINARY SECTOR||ING-INF/02|
|LANGUAGE||Italian (English on demand)|
|MODULES||This unit is a module of:|
This course aims at providing the basic competences about distributed-element circuits operating at radio and microwave frequencies.
Lectures and laboratory experiences.
Introduction and course organization
Guided electromagnetic waves
Maxwell’s equations for cylindrical structures.
Field behavior in the axial direction and in the transverse plane.
Dirichlet and Neumann boundary conditions.
Classification of modes and their computation.
Effects of losses: perturbation method, conductor losses, dielectric losses.
Wave properties: phase velocity and wavelength, group velocity, cutoff phenomena.
Parallel plate waveguide, rectangular and circular waveguide, coaxial line.
Planar transmission lines: strip and microstrip lines, coplanar waveguide, slot line, substrate integrated waveguide.
Theory of distributed-elements circuits
Modes as transmission lines: general form of telegrapher’s equations
Field representation in guiding systems and power transfer.
Transmission lines and distributed-elements circuits.
Passive components in radio-frequency and microwave circuits
General description of components, their representations and scattering parameters.
One-port components: loads, short and open circuits.
Two-port components: discontinuities and junctions, transitions and adapters, attenuators, phase shifters, isolators, gyrators.
Three-port components: T junctions, power dividers, circulators.
Four-port components: directional couplers, hybrid junctions.
Microwave resonators: quality factor and resonant cavities.
Lecture notes and slides of laboratory sessions.
R. E. Collin, Foundations for Microwave Engineering, New York: IEEE Press/John Wiley & Sons, 2001.
D. M. Pozar, Microwave Engineering. New York: John Wiley & Sons, 2011
R. Sorrentino, G. Bianchi, Microwave and RF Engineering. Hoboken, NJ: John Wiley & Sons, 2010.
Textbooks on advanced topics:
R. Garg, I. Bahl, and M. Bozzi, Microstrip lines and slotlines, 3rd edition. Norwood, MA: Artech House, 2013.
G. Pelosi, R. Coccioli, and S. Selleri, Quick finite elements for electromagnetic waves, 2nd edition. Norwood, MA: Artech House, 2009.
Office hours: By appointment.
According to the academic calendar.
All class schedules are posted on the EasyAcademy portal.
At least three questions are asked during the oral exam: the first one is chosen by the student, the second is about theory, the last one is more practical (an exercise, typically).
After this course, students should demonstrate to know the fundamentals of distributed-element circuits operating at radio and microwave frequencies, as well as the operating principles of standard guiding systems and basic passive radio-frequency/microwave components.
The teacher is available for any further information about this course.