Faculty of Information Technology and Communication Sciences
Language of instruction
Data Processing and Information Technology
Mode of study
Transmission Lines and Waveguides, 5 cr
Language of instruction: English
Upon completion of the course, * student is able to explain key features and limitations of the lumped circuit analysis, transmission lines, waveguides, and metallic cavities. * student is able to analyze signal propagation in transmission lines and waveguides and determine key parameters of such structures. * student has skills to use numerical design methods and tools to design and model transmission lines, waveguides, and cavities. * student is able intepret results of numerical simulations to reason properties of transmission lines, waveguides, and cavities. * student knows about practices in preparing technical reports and in giving peer feedback and is able to prepare a report that combines analytical, measured, and simulated estimates.
Review of plane waves and propagation of TEM waves. Review of interface conditions on material interfaces (esp. ideal dielectric and ideal conductor).
Analysis of ideal and non-ideal transmission lines. Derivation of the Telegrapher equations starting from EM laws. Review of static EM problems to find the transmission line parameters. Use of simulation tools (Comsol) to find the transmission line parameters. Basics of use of EM field simulators.
Rectangular waveguides, analysis of TE and TM waves in waveguides. Key parameters of rectangular waveguides.
Cavity resonators. Analysis of losses and quality factor.
Modeling assignment, use of numerical design methods and tools to determine and compare properties of a transmission line, modified waveguide structure, or modified cavity resonator.
Laboratory work and experiments with basic transmission lines (coaxial cable, microstrip) and waveguides/cavities (e.g. excitation and quality factor of a cavity resonator).
Quasi-TEM waves, analysis of partially filled parallel-plate line.
Cylindrical and coaxial waveguides.Dielectric waveguides. Alternatives to tune waveguides. Hybrid modes in waveguides.
Orthogonality of eigenmodes, excitation of a cavity.
Implementation of simulation algorithms, FDTD and FIT algorithms.
Blended Learning: Tutorial session / First weekly meeting / Second weekly meeting