ECE 486

Microwave Engineering I: Passive Circuit Design
Catalog Data: 

ECE 486 - Microwave Engineering I: Passive Circuit Design

Description: Review of transmission line theory, microstrip lines and planar circuits, RF/microwave network analysis, scattering parameters, impedance transformer design, filter design, hybrids and resonators.

Grading: Regular grades are awarded for this course: A B C D E

Course Fee: $47

ECE 381A

Pozar, David M. Microwave Engineering. 3rd ed. Wiley, 2004.

Students will have access to secured D2L site for more course information.

Course Learning Outcomes: 

By the end of this course, students will:

  1. Have practice with foundational aspects of microwave engineering through homework and problem analysis; students will develop quality and critical thinking checks necessary for extended study and mastery of selected subjects in microwave engineering well beyond the extent of the semester-long class
  2. Have 15 or more hours of hands-on experience in microwave engineering (engineering, design, analysis) EDA tools
  3. Be exposed to the historical aspects that relate to current developments and future technology advances in microwave engineering
  4. Become mindful of some nonmicrowave engineering aspects (manufacturability, consumer demand, constraints in materials) that influence future technology advances and contributions in research and industry
Course Topics: 
  1. Identify the wave equation and basic plane wave solutions
  2. Identify TEM, TE and TM waves
  3. Identify the parallel plate waveguide and its associated electromagnetic fields and current distributions
  4. Calculate the attenuation in a parallel plane waveguide
  5. Identify the rectangular waveguide, explain its operation, and list the electromagnetic field distributions of its dominant modes
  6. Calculate the attenuation in a rectangular waveguide
  7. Identify the coaxial line, explain its operation, and list the electromagnetic field distributions of its dominant modes
  8. Calculate the attenuation and characteristic impedance of a coaxial line
  9. Identify the stripline and explain its operation, and list the electromagnetic field distributions of its dominant modes
  10. Identify the microstrip line and explain its operation, and list the electromagnetic field distributions of its dominant modes.
  11. Interpret the effective dielectric constant of a microstrip line
  12. Apply the effective dielectric constant, attenuation and impedance formulas for a microstrip line design
  13. Identify the different wave velocities and explain the dispersion effect
  14. Describe the lumped element circuit model for a transmission line
  15. Identify and describe the different transmission line parameters
  16. Identify the telegrapher equations
  17. Calculate the current and voltage distribution of a terminated lossless transmission line
  18. Calculate the input impedance, reflection coefficient and standing-wave ratio of a terminated lossless transmission line
  19. Explain how the Smith chart works.
  20. Design single stub matching networks
  21. Design double stub matching networks
  22. Calculate the input impedance, reflection coefficient, voltages, current and delivered power in a transmission line with generator and/or load mismatches
  23. Explain the equivalent voltage and current concept for microwave frequencies
  24. Distinguish between the different types of impedance in a transmission line
  25. Formulate the impedance and/or admittance matrix of an arbitrary microwave network
  26. Describe the properties of a lossless and/or reciprocal microwave network
  27. Describe the concept of the scattering matrix
  28. Apply the scattering matrix to characterize various passive microwave circuits
  29. Distinguish between regular and generalized scattering matrices
  30. Explain how the s-parameters of a 2-port microwave network can be measured
  31. Identify the transmission matrix and apply it to characterize various microwave circuits
  32. Apply the appropriate relationships to transform from one type of matrix to another
  33. Design lumped element matching networks
  34. Design quarter-wave transformers and describe their operation
  35. Describe the theory of small reflections
  36. Apply the theory of small reflections to design
  37. List the basic properties of dividers and couplers
  38. Design a Wilkinson power divider and list its properties
  39. Design a quadrature hybrid and list its properties
  40. Design coupled-line couplers and describe their operation
  41. Describe the basic operation of a vector network analyzer
  42. Describe the insertion loss method technique for designing filters
  43. Identify the different filter transformations
  44. Design a low-pass filter using stubs
  45. Design a stepped impedance low-pass filter
  46. Design a coupled line bandpass filter
  47. Identify potential limitations in the circuit fabrication process
  48. Perform microwave measurements for the passive circuit of the design project
  49. Explain differences between simulated and measured data of a passive microwave circuit
Class/Laboratory Schedule: 

Two 75-minute lectures per week

Relationship to Student Outcomes: 

ECE 486 contributes directly to the following specific electrical and computer engineering student outcomes of the ECE department:

  • Ability to apply knowledge of mathematics, science and engineering (high)
  • Ability to design and conduct experiments, as well as to analyze and interpret data (medium)
  • Ability to design a system, component or process to meet desired needs within realistic constraints, such as economic, environmental, social, political, ethical, health and safety, manufacturability and sustainability (low)
  • Ability to function on multidisciplinary teams (low)
  • Ability to identify, formulate and solve engineering problems (medium)
  • Ability to communicate effectively (medium)
  • Ability to use the techniques, skills and modern engineering tools necessary for engineering practice (high)
Prepared by: 
Kathleen Melde
Prepared Date: 

University of Arizona College of Engineering