Technische Universität Ilmenau

Microwave Engineering - Modultafeln of TU Ilmenau

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module properties Microwave Engineering in degree program Master Communications and Signal Processing 2021
module number200504
examination number2100838
departmentDepartment of Electrical Engineering and Information Technology
ID of group 2113 (RF and Microwave Research)
module leaderProf. Dr. Matthias Hein
term winter term only
credit points5
on-campus program (h)45
self-study (h)105
obligationobligatory module
examoral examination performance, 30 minutes
details of the certificate
signup details for alternative examinations
maximum number of participants
previous knowledge and experience


Bachelor of Science in Electrical Engineering

learning outcome

After the lectures the students can analyse the basics of wave propagation, reflection, and superposition of RF signals on transmission lines. They have learned to design matching circuits based on lumped and distributed elements. The students are able to describe the operation of typical microwave couplers and hybrids. They are able to choose optimal transmission line types and substrate materials. They understand the principles of RF and microwave measurement systems, e.g. power detector, slotted line, vector network analyser.


After the exercises the students are able to plan and conduct typical RF measurements. They can apply transmission lines as circuit elements in RF circuitry and understand the principles of wave-based circuit elements in the microwave frequency range.


1. Waveguides, line propagation, reflections

2. Reflection coefficient, Smith chart, scattering parameters

3. Special transmission lines

4. Couplers and hybrids

5. Microwave materials and line types

6. Impedance transformation and matching

7. Diode detectors, slotted line

8. Reflectometer,
VSWR bridge, network analyzer

9. Multi-port measurements, mixed-mode S-parameters

Practical exercises with network analyser, hybrid
coupler, detector, mixer with spectrum analyser, slotted line, impedance

media of instruction

Blackboard, illustrations (projector), selected microwave components, work sheets (printable), practical classes

literature / references

Chang Kai, "Handbook of microwave and optical components: Microwave passive and antenna components", vol. 1, Wiley, 1989

Bhartia, Prakash ; Bahl, Inder Jit, "Millimeter wave engineering and applications", Wiley, 1984.

Pozar, David M., "Microwave engineering", Wiley, 2005.

evaluation of teaching