Course detail
HF techniques and antennas
FEKT-BVSTAcad. year: 2012/2013
Basic HF circuits below 1 GHz: amplifiers, modulators, demodulators. Basic microwave circuits above 1 GHz: filters, amplifiers. Commercial software for modeling and design of microwave circuits.Propagation of EM waves in homogeneous and non-homogeneous environment. propagation of EM waves along transmission lines and in real terrain. Radiation of EM waves. basic types of antennas and their parameters. Matching and symetrization circuits.
Language of instruction
Number of ECTS credits
Mode of study
Guarantor
Department
Learning outcomes of the course unit
Knowledge of basic HF ciruits (below 1 GHz). knowledge of basic microwave circuits (above 1 GHz). Ability to explore commercial programs for modelling of HF circuits and antennas.
Prerequisites
Co-requisites
Planned learning activities and teaching methods
Assesment methods and criteria linked to learning outcomes
Course curriculum
Work placements
Aims
Specification of controlled education, way of implementation and compensation for absences
Recommended optional programme components
Prerequisites and corequisites
Basic literature
Recommended reading
Classification of course in study plans
Type of course unit
Lecture
Teacher / Lecturer
Syllabus
Active HF circuits. Design of linearized amplifier.
Non-linear HF circuits (modulators, demodulators, frequencz shifters).
Microwave circuits. Microstrip as basic building block. Substrates for manufacturing microstrip circuits.
Passive microstrip circuits. Transitions coaxial line - microstrip, waveguide - microstrip. Basic types of microstrip filters.
Active microwave circuits. Design of linearized amplifier.
Specifics of design and modeling in the area of antennas and microwave techniques. Basic laws used in design and modeling of microwave circuits and antennas.
Propagation of EM wave. Plane and spherical wave in homogeneous environment.
propagation of EM waves in non-homogeneous environment. Waves in real terrain.
Basic types of transmission lines (symetrical two-wire line, coaxial line, waveguides). Matching (shunts, impedance transformers).
Radiation of EM waves. Modeling and design of wire antennas.
Basic types of antennas (antennas for SW, VSW and microwave band). Supporting circuits (symetrization circuits, matching circuits).
Overview of commercial software for design and modeling of microwave circuits.
Exercise in computer lab
Teacher / Lecturer
Syllabus
Modeling of microwave transmission lines (waveguides, microstrip lines).
Modeling and design of wire antennas.
Modeling and design of microstrip antennas.
Passive HF circuits: design of microstrip band-pass filter.
Active HF circuits: design of linearized amplifier.
Laboratory exercise
Teacher / Lecturer
Syllabus
Measuring parameters of coaxial cables.
Transformation properties of transmission lines.
Measuring parameters of antennas.
Measuring parameters of passive HF circuits.
Measuring parameters of active HF circuits.