MICROWAVE ENGINEERING

Academic Year 2019/2020 - 2° Year
Teaching Staff: Loreto DI DONATO
Credit Value: 9
Scientific field: ING-INF/02 - Electromagnetic fields
Taught classes: 56 hours
Laboratories: 25 hours
Term / Semester:
ENGLISH VERSION

Learning Objectives

Being able to analyze components and microwave circuits by means of the formalism of transmission lines and scattering matrices. Acquisition of tools for the analysis, design and experimental characterization of guiding structures, antennas and microwave devices.


Course Structure

The course includes lectures, experimental laboratory experiences and exercises aimed at deepening the contents of the lessons.

Prerequisites
Basic knowledge of the electromagnetic fields theory with particular reference to free-space propagation, guided propagation and electromagnetic radiation.

Course attending frequency
Not mandatory for frontal lessons. Not mandatory, but recommended, for laboratory experiences.

Final Test
Oral examination and practical test in laboratory


Detailed Course Content

Complements of guided propagation and trasmission media

Electromagnetic potentials, TE, TM, TEM modes. Losses in waveguides. Resonant cavities. Microstrip line. Dielectric slab guide. Optical fibers.

Anisotropic and non-reciprocal media

Reciprocal media. Magnetized plasma. Propagation in a magnetized plasma*. Faraday rotation.

Antennas

Equivalent sources. Image sources. Linear and Planar arrays*. Aperture type antennas. Microstrip antennas*.

Topics

Radar and radar cross section. Laser. Periodic structures and photonic crystals*. Antennas and MIMO systems for 5G*. Electromagnetic scattering*. Bioelectromagnetic interactions and non-ionizing radioprotection* (principles and regulatios).

Laboratory

Microwave circuits. Impedance Z and Scattering S matrix. Flow charts and reduction rules. Calibration with reduction rules and multiple reflections. Vector Network Analyzer (VNA). 1-port calibration and 2-port calibration. Smith Chart. Microwave devises at 1-port, 2 port, 3-port and 4-port. Measurement of scattering matrix S for microwave components and circuits. Design of patch antennas with electromagnetic CAD*. Antenna Test Range: measurement of antenna gain and radiation pattern in anechoic chamber*. Narrow-band and wide-band measurements*.

MASTER DEGREE THESIS: The topics marked with an asterisk (*) can be matter of thesis.


Textbook Information

[1] Franceschetti, Campi Elettromagnetici (Bollati Boringhieri, II ed.)

[2] Bianchi e Sorrentino, Microwave and RF Engineering (Wiley)

[3] Collin, Foundations for Microwave Engineering (IEEE Press)

[4] Orfanidis, Electromagnetic Waves and Antennas (http://www.ece.rutgers.edu/~orfanidi/ewa/)

[5] Conciauro, Appunti delle lezioni di Complementi di Campi E.M. (http://microwave.unipv.it/pages/complementi_di_campi/guide_dielettriche.pdf)

[6] Collin, Antennas and Radiowave Propagation (Mc Graw Hill)

[7] Pozar, Microwave Engineering (Wiley)

[8] Conciauro, Introduzione alle onde elettromagnetiche (Mc Graw Hill)

[A] Ulaby and Ravaioli, Fundamentals of Applied Electromagnetics (Pearson Education, 7th Ed.)

[B] § 2 in PROTEZIONE DAI CAMPI ELETTROMAGNETICI NON IONIZZANTI (3a Ed.) IFAC-CNR (http://www.ifac.cnr.it/pcemni/libro1/)

[C] § 1 (main contents) in A. E. Siegman, LASERS (University Science Books)