Open University

Tampere

Basics of RF Engineering, Lectures

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Intermediate studies

Faculty of Information Technology and Communication Sciences

Data Processing and Information Technology

<p>Apply for Open University studies by using the following links:</p><p></p><ul><li><a href="https://tau-avoin.ilmoittaudu.fi/lobby/?realization=J-otm-40dce05d-d118-416a-9205-1021c8f7212c_2023-tampere-COMMRF400" target="_blank">COMM.RF.400 Basics of RF Engineering, lectures, Tampere</a></li></ul><p>You can find a link to the Open University Admissions service and application instructions on the <a href="https://www.tuni.fi/en/study-with-us/open-higher-education-studies/open-university/applying-open-university">Applying to Open University studies</a> page.</p><p>Some of the studies require prior studies. For example, studying intermediate studies may require some completed basic studies. These are described on the Information about studies tab of the study unit under prior requirements.</p><p>When you have been admitted to the studies, you must enrol separately via the Sisu information system for the implementation of the unit of study and, for example if set, for a practise group of your choice. You will receive instructions on how to do this by e-mail after you have confirmed your acceptance of the study place by paying the required fee.</p>

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Hervanta Campus

Contact teaching

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<h5>Core content</h5><ul><li><b>TRANSMISSION LINE (TL) THEORY. </b>Typical  use of TLs and practical cables and planar structures. Basic TL  concepts and parameters e.g. distributed circuit parameters,  Telegrapher&amp;#39;s equations, propagation constant, characteristic impedance,  phase velocity, wavelength, input impedance, reflection at impedance  discontinuity, return loss, reflection (mismatch) loss, and properties  of lossy transmission lines. Replacing inductors and capacitors with  transmission line elements. Their effective capacitance and inductance,  respectively. Properties of quarter wave and half wave lines. Generator  properties: Thévenin equivalent and available power. </li><li><b>SMITH CHART (SC)</b>.  Normalized impedance. Drawing and reading impedances and reflection  coefficients and other related parameters on the SC. Normalized  admittance. Impedance locus as a function of frequency. Use of SC in  designing simple impedance matching circuits.</li></ul><ul><li><b>IMPEDANCE MATCHING</b>.  The advantages of impedance matching. Simple impedance matching  techniques: lumped element matching, distributed element matching,  resistive vs. reactive matching.  Use of simulation tools (e.g. ADS) in  analysis of simple RF circuits.</li><li>         <b>SCATTERING (S) PARAMETERS AND GAIN CONCEPTS</b>.  Definition of S-parameters, reasons for using S-parameters.  Applications of S-parameters. Determination of S-parameters of simple  (and arbitrary) S-networks. Gain definitions: power gain, available  power gain, transducer power gain; and their relation to S-parameters. <br></li></ul><h5>Complementary knowledge</h5><ul><li>Wave  trap (bandstop filter). Effective  dielectric constant of microstrip line and its relation to the  wavelength in this media. </li><li>How the Smith chart is made? Mathematics behind it. </li><li>Bandwidth of impedance matching. Free-ware design tools.  </li><li>Unilateral  transducer power gain (Gtu), maximum Gtu. Stability of two-ports,  Mu-test and use of stability factors and stability circles.</li></ul><p><br></p>

<h2>Common</h2><h3>Exercise: Exercise session</h3><p>07.03.2024 09:00 - 12:00, TAU Tietotalo TB219 flippaustila (51)<br>14.03.2024 09:00 - 12:00, TAU Tietotalo TB219 flippaustila (51)<br>21.03.2024 09:00 - 12:00, TAU Tietotalo TB219 flippaustila (51)<br>28.03.2024 09:00 - 12:00, TAU Tietotalo TB219 flippaustila (51)<br>04.04.2024 09:00 - 12:00, TAU Tietotalo TB219 flippaustila (51)<br>11.04.2024 09:00 - 12:00, TAU Tietotalo TB219 flippaustila (51)<br>18.04.2024 09:00 - 12:00, TAU Tietotalo TB219 flippaustila (51)<br>25.04.2024 09:00 - 12:00, TAU Tietotalo TB219 flippaustila (51)<br></p><h2>Room booking</h2><h3>Blended Learning: Weekly Meeting</h3><p>04.03.2024 13:00 - 14:00, TAU Tietotalo TB215 opetustila (32)<br>11.03.2024 13:00 - 14:00, TAU Tietotalo TB215 opetustila (32)<br>18.03.2024 13:00 - 14:00, TAU Tietotalo TB215 opetustila (32)<br>25.03.2024 13:00 - 14:00, TAU Tietotalo TB215 opetustila (32)<br>01.04.2024 13:00 - 14:00, TAU Tietotalo TB215 opetustila (32)<br>08.04.2024 13:00 - 14:00, TAU Tietotalo TB215 opetustila (32)<br>15.04.2024 13:00 - 14:00, TAU Tietotalo TB215 opetustila (32)<br>22.04.2024 13:00 - 14:00, TAU Tietotalo TB215 opetustila (32)<br></p><h3>Other Event: Computer exercise</h3><p>12.03.2024 09:00 - 12:00, TAU Tietotalo TC315 tietokoneluokka (16)<br>19.03.2024 09:00 - 12:00, TAU Tietotalo TC315 tietokoneluokka (16)<br>26.03.2024 09:00 - 12:00, TAU Tietotalo TC315 tietokoneluokka (16)<br>02.04.2024 09:00 - 12:00, TAU Tietotalo TC315 tietokoneluokka (16)<br>09.04.2024 09:00 - 12:00, TAU Tietotalo TC315 tietokoneluokka (16)<br></p>

<p>After completing this course, the student is able to apply some of the most important and fundamental RF engineering concepts. Those include wave propagation along transmission lines, reflections from loads and other discontinuities of transmission lines, impedance matching for maximum power transfer, the Smith chart, description of two-ports using scattering parameters, various definitions of power gain of two-ports (such as power amplifiers) and stability of two-ports.  <br></p><p>The competence this course provides is general and useful in all sub-disciplines of RF engineering<a href="http://either.It">.</a><a href="http://either.It"><br></a></p>

<h2>Compulsory Prerequisites</h2><ul><li>Circuit Theory, EE.030, 5 cr</li></ul><h2>Recommended Prerequisites</h2><ul><li>Transistors and Amplifier Circuits, EE.ELE.210, 5 cr</li><li>Introduction to High-Frequency Techniques, ELT-41711, 5 cr</li><li>Transmission Lines and Waveguides, COMM.RF.430, 5 cr</li></ul>

Basics of RF Engineering, Lectures

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Basics of RF Engineering, Lectures