Laboratory of Wireless Technologies 2
Lecturers
Laboratory exercises
Course Description
Study Programmes
University graduate
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
- describe measurement procedures in RF systems
- describe measurement procedures in antenna measurements
- apply RF and microwave measurement instruments
- analyze characteristics of RF and microwave circuits and systems
- analyze antenna characteristics
- interpret measurement results
- analyze, experimentally test and tune oscillator circuits
- analyze, experimentally test and tune RF power amplifier circuits
Forms of Teaching
Organized to provide theoretical support for laboratory exercises.
ExamsTests after each autonomous laboratory exercise and laboratory demonstrations.
Laboratory WorkLaboratory exercises are main part of this course. Individual measurement skils are acquired.
Experimental ExercisesLaboratory exercises are main part of this course. Laboratory demonstrations introduce students to application of measurement instruments and measurement procedures.
ConsultationsOrganized upon request.
Internship visitsTechnical 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 % |
Comment:
Acquired knowledge and skils are tested at the end of each laboratory exercise.
Week by Week Schedule
- transmission line, measurement of standing wave ratio, radiation from a transmission line, dipole
- antenna polarization, dipole, horn, microwave link, measurement on a link model with horna antennas, effects of obstacles
- helical antenna, circular polarization, composing circular polarization from two linear polarizations, splitting circularly polarized wave into two linearly polarized waves
- antenna input impedance matching, stub matching, antenna gain measurement
- antenna arrays, measurement of two-element array composed of unipoles and of helixes, in-phase and out-of-phase excitation
- influence of array inter-element spacing on radiation patterns, theoretical analysis and experimental verification
- measurements on antenna array with electronic beam scanning
- measurement of the parameters of RF band pass filter
- analysis of harmonic and intermodulation distortion
- measurement of harmonic and intermodulation distortion of RF amplifier
- Friis equation, calulation of link budget, measurement on RF system model, SNR
- testing RF power amplifier using spectrum analyzer
- testing RF power amplifier operating conditions
- tunnel-diode oscillator, oscillator frequency stability
- frequency multipliers