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Lecturer(s)
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Vondra Radim, Ing. Ph.D.
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Roleček Jiří, Ing.
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Brtník Bohumil, Ing. Dr.
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Course content
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1.Circuit elements and their characteristics - passive and active 2.Analysis of linear circuits - method of transfiguration, linear superposition. Nodal voltage method, calculation of basic circuit functions. Generalized nodal voltage method, unipolar and bipolar transistor matrics, real operational amplifier matrix 3.Analysis of circuits with irregular elements - method of reduction of the number of variables and transformation of coordinates, modified nodal voltage method, stamps of voltage controlled voltage source and ideal differential operational amplifier. 4.Method of signal flow graphs - MC graph, MC graph and its evaluation. Modified MC graph, graph evaluation with multiple sources. Transformation graph 5. Two ports - matrix characteristics, connecting, conversion of parameters. Basic element - transformer. 6. Circuits with distributed parameters - line element, phasor diagram of line, Reflection factor, Smith diagram as a conformal representation of lines on circles. 7.Solution of circuits in nonharmonic state - Fourier series, Fourier coefficients, Fourier integral 8.Solution of transients - differential equation, Laplace transform, inverse Laplace transform. Circuit stability 9.Electric filters - transfer function, zero points and poles, types of filters. Dipoles - imitation functions, ideal resonant circuit, synthesis of general dipoles - Cauer's and Foster's method. Passive RLC. 10. RLC filters, characteristics of frequency dependent dividers. Structure of active filters of the Huelsmann and Sallen-Key type 11. Digital filters, Z-transform. Filters with switched capacitors and switched currents 12. Approximation of transfer function of filters according to Butterworth and Chebyshev. Synthesis of filters from reference low-pass filter - conversion to high-pass and band-pass filter and band-stop, determination of filter order 13.Solution of nonlinear circuits by iterative method. Transients in nonlinear circuits
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Learning activities and teaching methods
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Monologic (reading, lecture, briefing), Dialogic (discussion, interview, brainstorming)
- Preparation for an exam
- 45 hours per semester
- Participation in classes
- 65 hours per semester
- Home preparation for classes
- 40 hours per semester
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Learning outcomes
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The course is an introduction to the study of analysis and synthesis of electrical circuits. The aim of the course Electrical Circuits is to deepen students' knowledge of electrical engineering, acquired in previous electrical engineering subjects, especially in the subject of Electrical Engineering.
After the study of this subject the student will have more deep knowledge of the fundamentals of electricity. Namely the student will be able to solve electric circuits with direct, alternating (sine-wave) and general form voltage and current sources, calculate electric power and work (energy) in one-phase and three-phase electric networks, will have a basic knowledge about two-ports, filters, etc.
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Prerequisites
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Basic knowledge of the theory of electricity is needed.
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Assessment methods and criteria
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Oral examination, Written examination, Student performance assessment
Basic knowledge of the theory of electricity is needed. The student will attend lectures and exercises and in addition he (she) will work out an individual exercise (solving of a chosen electric circuit) in written form.
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Recommended literature
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BEZOUŠEK, Pavel, Vladimír SCHEJBAL a Pavel ŠEDIVÝ. Elektrotechnika. Pardubice: Univerzita Pardubice, 2003. ISBN 80-719-4620-6.
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Bičák, Jan. Lineární obvody a systémy. Praha: Česká technika - nakladatelství ČVUT, 2007. ISBN 978-80-01-03649-5.
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Biolek, Dalibor. Řešíme elektronické obvody, aneb, Kniha o jejich analýze. Praha: BEN - technická literatura, 2004. ISBN 80-7300-125-X.
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Brtník, B. Elektrické obvody v příkladech. Praha: BEN - technická literatura, 2010. ISBN 978-80-7300-436-1.
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BRTNÍK B. Základy obvodové techniky II.. Praha: BEN, 2014. ISBN 978-80-7300-525-2.
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BRTNÍK B. Základy obvodové techniky I.. Praha: BEN, 2014. ISBN 978-80-7300-523-8.
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