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92602 Advanced High Frequency Techniques
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Danish title: Videregående højfrekvensteknik
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| Type: Language: EEE |
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Credit points:
5 point |
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| Offered by:
Department of Applied Electronics
(IAE) |
| Prerequisite: 92061 |
| Recommended semester:
5th semester |
| Scope and form: Class lectures and lab-work. |
| Examination:
Written exam
(13 point scale
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| Remarks: A prerequisite to take the final is that the lab-work has been approved. |
| Contact person: |
Aage Vind, IAE, Building 451, Tel. +45 4525 5259 |
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Aim: The aim of the course is to make the student able to:
-understand the theories and methods that are used at high frequencies (including optical frequencies)
-understand the physical mode of operation and the technical construction of the components that are used at high frequencies.
-design, fabricate, and do measurements on microwave circuits, especially circuits that are used in communication systems. |
Contents: Application of Maxwell's equations on integral and differential form. The complex symbolic method for sine time varying fields.
Waves and transmission lines: Characteristic impedance, reflection coefficient, VSWR, phase and group velocity, dispersion, attenuation, skin effect, /4 transformers and bandwidth.
Amplifiers, S-parameters, filters, and directional couplers including examples of their realization in microstrip.
Polarization of a plane wave: linear, circular, and elliptic.
Example on polarization control in optical fibers.
Reflection, refraction, and diffraction. Snell's law of refraction, Fresnel reflection coefficients, Brewster angle. Physical and geometric diffraction theory. Waveguides: Rectangular and dielectric (optical fiber).
Project: Design of microstrip circuits (coupler, filters, amplifiers, etc.) using a PC, layout, and realization of the circuits.
Measurement of S-parameters, bandwidth, etc. at microwave frequencies (GHz).
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