Laboratory of Wireless Technologies 2

Course Description

The purpose of this course is to give the students the practical knowledge about radio-frequency systems and their essential components, RF power circuits, and antennas used in these systems. The course offers hands-on experience with CAD tools and measurement equipment used in designing and testing of radio-frequency systems and their components. The course offers hands-on experience about the concepts which are taught in Radio-Frequency Systems, Antennas and Propagation and Radio-Frequency Electronics.

General Competencies

The students will get practical knowledge and experience in using CAD tools and measurement equipment used for designing and testing of radio-frequency systems, common RF power circuits, RF oscillators, and antennas and for prediction and measurement of wave propagation properties.

Learning Outcomes

  1. describe measurement procedures in RF systems
  2. describe measurement procedures in antenna measurements
  3. apply RF and microwave measurement instruments
  4. analyze characteristics of RF and microwave circuits and systems
  5. analyze antenna characteristics
  6. interpret measurement results
  7. analyze, experimentally test and tune oscillator circuits
  8. analyze, experimentally test and tune RF power amplifier circuits

Forms of Teaching


Organized to provide theoretical support for laboratory exercises.


Tests after each autonomous laboratory exercise and laboratory demonstrations.

Laboratory Work

Laboratory exercises are main part of this course. Individual measurement skils are acquired.

Experimental Exercises

Laboratory exercises are main part of this course. Laboratory demonstrations introduce students to application of measurement instruments and measurement procedures.


Organized upon request.

Internship visits

Technical visits are organized to companies - users and opeartors of RF systems, as well as to regulatory authorities depending on availability and approval.

Grading Method

Continuous Assessment Exam
Type Threshold Percent of Grade Threshold Percent of Grade
Laboratory Exercises 0 % 80 % 0 % 0 %
Quizzes 0 % 10 % 0 % 0 %
Class participation 0 % 10 % 0 % 0 %

Acquired knowledge and skils are tested at the end of each laboratory exercise.

Week by Week Schedule

  1. transmission line, measurement of standing wave ratio, radiation from a transmission line, dipole
  2. antenna polarization, dipole, horn, microwave link, measurement on a link model with horna antennas, effects of obstacles
  3. helical antenna, circular polarization, composing circular polarization from two linear polarizations, splitting circularly polarized wave into two linearly polarized waves
  4. antenna input impedance matching, stub matching, antenna gain measurement
  5. antenna arrays, measurement of two-element array composed of unipoles and of helixes, in-phase and out-of-phase excitation
  6. influence of array inter-element spacing on radiation patterns, theoretical analysis and experimental verification
  7. measurements on antenna array with electronic beam scanning
  8. measurement of the parameters of RF band pass filter
  9. analysis of harmonic and intermodulation distortion
  10. measurement of harmonic and intermodulation distortion of RF amplifier
  11. Friis equation, calulation of link budget, measurement on RF system model, SNR
  12. testing RF power amplifier using spectrum analyzer
  13. testing RF power amplifier operating conditions
  14. tunnel-diode oscillator, oscillator frequency stability
  15. frequency multipliers

Study Programmes

University graduate
Wireless Technologies (profile)
(2. semester)


Zentner, E. (2001.), Antene i radiosustavi, Graphis
Bartolić, J. (2011.), Mikrovalna elektronika, Graphis
Pozar, D.M. (2000.), Microwave and RF Design of Wireless Systems, J. Wiley
Egan, W.F. (2003.), Practical RF System Design, J. Wiley-IEEE Press
Majurec, N., Nađ, R., Šarolić, A., Šišul, G. (2003.), Paradigme visokofrekvencijske elektronike, modulacija i modulatora, Graphis, Zagreb

Laboratory exercises

For students


ID 35243
  Summer semester
L1 English Level
L1 e-Learning
15 Lectures
30 Laboratory exercises

Grading System

87 Excellent
75 Very Good
63 Good
51 Acceptable