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High Frequency Electrical Engineering in Physics - NEVF144

Title:	Vysokofrekvenční technika ve fyzice
Guaranteed by:	Department of Surface and Plasma Science (32-KFPP)
Faculty:	Faculty of Mathematics and Physics
Actual:	from 2020
Semester:	winter
E-Credits:	5
Hours per week, examination:	winter s.:2/1, C+Ex [HT]
Capacity:	unlimited
Min. number of students:	unlimited
4EU+:	no
Virtual mobility / capacity:	no
State of the course:	taught
Language:	Czech, English
Teaching methods:	full-time
Teaching methods:	full-time
Additional information:	https://physics.mff.cuni.cz/kfpp/rozvrh.html

Guarantor:	doc. Mgr. Pavel Kudrna, Dr. prof. RNDr. Milan Tichý, DrSc.

Opinion survey results Examination dates WS schedule Noticeboard

Annotation -

Last update: T_KEVF (24.03.2003)

Theory of long transmission lines, wave-guides and cavities with regard to their technical applications, generation of high-frequency oscillations.

Course completion requirements -

Last update: prof. RNDr. Milan Tichý, DrSc. (06.10.2017)

The necessary condition of the successful termination of the subject is the successful pass through the examination, i.e. the marking of the examination by the "výborně", "velmi dobře" or "dobře" mark. The examination must be performed within the time period prescribed by the time schedule (harmonogram) of the academic year that corresponds to the date of the subject registration.

Literature - Czech

Last update: T_KEVF (09.05.2005)

Skripta na webu http://lucy.troja.mff.cuni.cz/~tichy/vfel (tato skripta obsahují veškerou látku požadovanou ke zkoušce a řadu dalších zajímavých informací).

J.C. Slater, Microwave Transmission, Mc-Graw-Hill Book Company, Inc., New York, London, 1942 (kniha je v jednotkách SI stejně jako ostatní doporučovaná literatura).

D.G. Fink, Radar Engineering, Mc-Graw-Hill, New York, London, 1947.

C.G. Montgomery, Editor, Technique of Microwave Measurements, Mc-Graw-Hill, New York, London, 1947.

J.W. Gewartowski, H.A. Watson, Principles of Electron Tubes, D. Van Nostrand Company, Inc., Princeton, New Jersey, etc., 1965.

S. Ramo, J.R. Whinnery, Fields and Waves in Modern Radio, 2. vydání, 1953 (k dispozici v knihovně AV ČR na Národní třídě).

J. Kvasnica, Teorie elektromagnetického pole, Academia, Praha, 1985, vynikající učebnice k přehledu základů elektromagnetického pole.

J. Vejvodová, Elementy mikrovlnných obvodů, skripta, SPN (budou každému zapůjčena proti podpisu; k navrácení při zkoušce).

W.F. Magie, A Source Book in Physics, Mc-Graw-Hill, New-York, London, 1935 (z této knihy jsou čerpány údaje z historie).

Teaching methods -

Last update: doc. RNDr. Štěpán Roučka, Ph.D. (06.10.2020)

The lecture is conducted on-line in the winter semester 2020. For more information, see https://physics.mff.cuni.cz/kfpp/rozvrh.html

Requirements to the exam -

Last update: prof. RNDr. Milan Tichý, DrSc. (06.10.2017)

The form of the examination is oral; the student expresses his knowledge to two topics. The requirements correspond to the syllabus of the subject in the scope that was presented during the lecture course.

Syllabus -

Last update: T_KEVF (09.05.2005)

1. Historical introduction
Radar principle, revision of basic notions and relations from the theory of electromagnetic field.

2. Electric circuits at very high frequencies
Representation of basic circuit characteristics by means of quantities known from the theory of electromagnetic field, radiation resistance.

3. Skin effect and internal impedance of a conductor.

4. Transmission line, telegraph equations, illustrations.

5. Transformation of impedance along a transmission line
Smith chart, measurements of impedances at very high frequencies.

6. Propagation and reflection of electromagnetic waves
Analogy between quantities characterizing electromagnetic wave in space (E,H) and on a transmission line (U,I).

7. Radiation and antennas, dipole, combined antenna arrays

8. Propagation of electromagnetic waves in waveguides
Waveguide with rectangular cross-section, wave modes, critical wavelength. Attenuation in waveguides.

9. Cavity resonator of cuboid-form
Notion of the quality of the cavity resonator.

10. Generation of high-frequency energy
Ramo theorem, high-frequency planar diode. Two-cavity and reflex klystron. Magnetron, principle of operation. Semiconductor generators of microwaves, tunnel and Gunn diodes.