440-4112/01 – High Frequency Electronics (VE)

Gurantor departmentDepartment of TelecommunicationsCredits4
Subject guarantorDr. Ing. Libor GajdošíkSubject version guarantorDr. Ing. Libor Gajdošík
Study levelundergraduate or graduateRequirementOptional
Year1Semestersummer
Study languageCzech
Year of introduction2010/2011Year of cancellation
Intended for the facultiesFEIIntended for study typesFollow-up Master
Instruction secured by
LoginNameTuitorTeacher giving lectures
GAJ10 Dr. Ing. Libor Gajdošík
Extent of instruction for forms of study
Form of studyWay of compl.Extent
Full-time Credit and Examination 2+2
Combined Credit and Examination 2+8

Subject aims expressed by acquired skills and competences

To make familiary the students with the basic electronic circuits used in the radio frequency area.

Teaching methods

Lectures
Tutorials
Experimental work in labs

Summary

The subject is focused on the basic electronic circuits in the radio frequency area. Firstly are expained the basic types of the modulations and their properties, the properties of the real devices at high frequencies, selective filters used in the radio frequency area. After that are explained the circuits of the electronic oscillators, mixers, high frequency amplifiers, frequency multipliers, modulators and demodulators and their possibilities of the using in radio receivers and transmitters.

Compulsory literature:

Storey N.: Electronics : a systems approach, Pearson Education, Harlow, 2013

Recommended literature:

Tietze U., Schenk Ch., Gamm E.: Electronic circuits : handbook for design and application, Springer, Berlin, 2008

Way of continuous check of knowledge in the course of semester

Test 1, Test 2

E-learning

Další požadavky na studenta

Student should be skilled to design and analyse simlple electronic circuits and to know the function and applications of basic semiconductor devices.

Prerequisities

Subject has no prerequisities.

Co-requisities

Subject has no co-requisities.

Subject syllabus:

Lectures: 1. Active and pasive devices, equivalent circuits with parasitic elements. 2. Resonant circuit and its RF properties. Basics of resonant measuring instruments. 3. RF filters. 4. RF wideband and narrowband amplifiers. Miller capacitance. Parasitic coupling compensation. 5. Function blocks, elementary types of RF oscillators. 6. Modulations of AM, FM, PM. Heterodyne, intermediate frequency, image frequency. 7. Y and S parameters. Definitions, Conversions. 8. Frequency mixers and frequency multipliers. Amplitude limiters. 9. Function blocks, modulators, demodulators, Gilbert cell. 10. RF operational amplifirs, CFA, OTA, current and voltage feedback. 11. Microwave circuits, waveguides, microstrips, YIG. 12. RF circuit analyse methods. Smith chart derivation. 13. Special devices for RF technics, SRD, HEMT, IMPATT, TRAPATT, TWT, klystron, magnetron. 14: Noise in RF circuits, elementary terms. Exercies: 1. Safety instructions. Calculations of device equivalent circuits. Project assignment - RF oscillator design. 2. Laboratory exercise. Measurement of frequency properties of coil, condenser and resonant circuit. 3. Laboratory exercise. Measurement of frequency characteristic of coupled resonant circuit and ceramic filter. 4. Laboratory exercise. Measurement of the Miller capacitance influence to the frequency characteristic of amplifier. 5. Theory exercise. Antialiasing filter design. 6. Laboratory exercise. Verification of AM and FM properties by generator and FFT oscilloscope. 7. Test 1. 8. Laboratory exercise. Measurement of frequency mixer and frequency multiplier by FFT oscilloscope. 9. Theory exercise. Criteria of stability in circuits. Examples. 10. Laboratory exercise. Frequency characteristic measurement of OTA based amplifier. 11. Laboratory exercise. Measurement in waveguide at 10 GHz. 12. Evaluation of assigned project. 13. Test 2. 14. Credit.

Conditions for subject completion

Combined form (validity from: 2012/2013 Summer semester)
Task nameType of taskMax. number of points
(act. for subtasks)
Min. number of points
Exercises evaluation and Examination Credit and Examination 100 (100) 51
        Exercises evaluation Credit 40  20
        Examination Examination 60  11
Mandatory attendence parzicipation:

Show history

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Occurrence in special blocks

Block nameAcademic yearForm of studyStudy language YearWSType of blockBlock owner