Apr 17, 2024  
2015-2016 Undergraduate Academic Catalog 
    
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2015-2016 Undergraduate Academic Catalog [ARCHIVED CATALOG]

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ET 4261 - Transmission Lines

3 lecture hours 2 lab hours 4 credits
Course Description
The course begins with a study of step and pulse transients on a lossless transmission line to illustrate the position dependency, characteristic impedance, and reflection concepts of transmission lines. Transmission line theory and the Smith Chart are utilized for AC sinusoidal steady-state transmission line calculations. Scattering (s) parameters are introduced as high frequency two-port parameters and specifications. Various RF/microwave components are examined. In the laboratory sessions, high-frequency measurement techniques and topics are covered. (prereq: ET 3201  or ET 3202 , ET 3001 )
Course Learning Outcomes
Upon successful completion of this course, the student will be able to:
  • Explain why traveling waves, reflections, and standing waves occur and why they are significant in circuits and transmission structures
  • Solve high frequency problems using transmission line theory, the Smith Chart, and scattering parameters.
  • Identify and utilize various transmission line components, especially in laboratory measurements
  • Determine the first-order system performance based on specifications and s-parameters of RF components
Prerequisites by Topic
  • Basic communication concepts.
  • Elementary electromagnetic field concepts
  • Circuits through time domain analysis
  • Calculus and differential equations.
Course Topics
  • Introductory concepts and DC steps and pulses on transmission lines. (6 classes)
  • AC sinusoidal steady state transmission line theory and practice. (7 classes)
  • Smith Charts. (3 classes)
  • Scattering parameters, components, and first-order system performance (6 classes)
  • Homework and exam sessions (including final exam) (9 classes)
Laboratory Topics
  • Basic high frequency measurements (power, frequency, attenuation, VSWR, return loss, coupling, and directivity). (4 sessions)
  • Spectrum and frequency swept measurements of microwave components. (2 sessions)
  • Simulation and measurement of scattering parameters using a vector network analyzer. (3 sessions)
  • Open laboratory session (2 sessions)
Coordinator
Robert Strangeway


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