Waves and Transmission Lines

Lecturer:

Jan Macháč (gar.)

Tutor:

Jan Macháč (gar.)

Supervisor:

Department of Electromagnetic Field

Synopsis:

Wave equation, parameters of the electromagnetic wave, potentials, ballance of energy, superposition, boundary effects, layred media, guiding of waves, resonators, elements with lumped and distributed parameters, impednace chart, impedance matching technique, fundamentals of electromagnetic wave radiation, application of electromagnetic field in circuit elements, systems, technology, electromagnetic compatibility. Subject includes individual students projects.

Requirements:

Podmínka pro zápočet: účast na soustředění. http://www.elmag.org

Syllabus of lectures:

1.Plane electromagnetic wave in a lossy material, perpendicular incidence on a boundary

2.Reflection and refraction on plane interface, total reflection, Brewsters angle

3.Guiding of waves, transmission line with a TEM wave, coaxial and Lechers lines

4.Metalic waveguides, TE, TM modes, impedance, phase and group velocities, losses

5.Rectangular waveguide, modes, dominant mode

6.Circular wavequide, waveguide modes in a coaxial line

7.Other transmission lines: microstripline, coplanar waveguide, slotline

8.Wave propagation in a dielectric slab and cylinder, dielectric wavequides, optical fibres

9.Resonators, modes, excitation, quality factor, resonator created by line stubs

10.Radiowave transmittion, power budget

11.Sources of waves, basic antennas, directional and impedance parameters, arrays

12.Propagation of waves, transmission equation

13.Microwave technique, applications in communications, transportation, medicine

14.Effects of propagation in nonisotropic materials, optoelectronics, applications

Syllabus of tutorials:

1. Computation of penetration depth, wave reflection on a boundary

2. Standing waves, transmission of energy

3. Computer lab.: wave reflection, propagation in a layred media

4. Design of a coaxial connector, coupling between paralel lines

5. Metalic waveguide, modes

6. Calculation of waveguide parameters

7. Waveguides, coaxial line - higher order modes

8. Projects

9. Design of a tunable resonator

10. Radiation of elementary dipoles, antenna parameters

11. Simplified design of a radio link

12. Laboratory

13. Laboratory

14. Summary, assesment

Study Objective:

Study materials:

[1] Edminister, J.A.: Electromagnetics. Mc-Graw-Hill, London, 1993

[2] Collin, R.E.: Field Theory of Guided Waves. 2nd Edit., IEEE Press, New York 1991

[3] Sadiku, M.N.O.: Elements of Electromagnetics. Saunders College Publishing. London, 1994

Note:

Time-table for winter semester 2011/2012:

	06:00–08:0008:00–10:0010:00–12:0012:00–14:0014:00–16:0016:00–18:0018:00–20:0020:00–22:0022:00–24:00
Mon
Tue
Fri	roomT2:C4-78 Macháč J. 10:00–10:45 (lecture parallel1) Dejvice Posluchárna
Thu
Fri

Time-table for summer semester 2011/2012:

Time-table is not available yet

The course is a part of the following study plans:

• Electronics and Communication Technology - structured studies (compulsory course)