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Theory of long transmission lines, wave-guides and cavities with regard to their technical applications, generation of high-frequency oscillations.
Last update: T_KEVF (24.03.2003)
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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. Last update: Tichý Milan, prof. RNDr., DrSc. (06.10.2017)
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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). Last update: T_KEVF (09.05.2005)
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The lecture is conducted on-line in the winter semester 2020. For more information, see https://physics.mff.cuni.cz/kfpp/rozvrh.html Last update: Roučka Štěpán, doc. RNDr., Ph.D. (06.10.2020)
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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. Last update: Tichý Milan, prof. RNDr., DrSc. (06.10.2017)
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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. Last update: T_KEVF (09.05.2005)
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