ECE 421 
Spring Semester 2009

Sample Exams (no solutions available)

Exam Schedule

Exam 1 Exam 2 Final Exam

Last modified: April 24, 2009

Exam 1:

Date: Friday, 2/13/2009
Time: 10:00 - 10:50 a.m.
Place: Room: LC E2

Topics covered for the exam:

Antenna parameters:

Field, Phase and Power Patterns; Beam width; Directivity and Gain
Effective Aperture and Height
Communication Link and Path Loss
Polarization

Radiation Intensity

Point source

Material from Chapters 1 through 4; pages 1 - 89 and Sections 6.1 - 6.3 will be covered in the exam. Solving problems at the end of the chapters and worked example would be good preparation for the exam.
You will need a calculator.

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Exam 2:

Date:  March 20, 2009
Time: 10:00 - 10:50 a.m.
Place: Room: LC E2

Topics covered for the exam:

Point sources:
Arrays:

Arrays with uniform amplitude distributions
Nulls and, sidelobe directions; endfire arrays
Pattern multiplication

Dipoles:

Short, half-wave and other dipoles and long wire antennas
Pattern, directivity and radiation resistance
Simple arrays of dipoles

Loops:

Small and large loops
Pattern, directivity and radiation resistance, Q

Material from Chapters 4 through Chapter 7, excluding chapter 5 part II; pages 90- 220 (excluding 126-164) will be covered in the exam. Solving problems at the end of the chapters and worked example would be a good preparation for the exam.
You will need a calculator. You may bring a sheet of paper with formulas etc tha you may need.

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Final Exam:                                                                       SPECIAL OFFICE HOURS:

Date:  Friday, May 8, 2009 (per UIC Timetable office Schedule)
Time: 10:30 - 12:30 pm.
Place: Room: LC E112

This is a COMPREHENSIVE Final Exam. Solving problems at the end of the chapters and worked example would be a good preparation for the exam.

You will need a calculator. You may bring one sheet of paper with formulas etc that you may need.

Sections covered: From Kraus text Chapters 1, 2, 3, 4, 5 (part I only – Sections 5.1 – 5.7), 6, 7, 8 (include 8.1 through 8.6, 8.22), 9.7; From Balanis text Chapter 14 (thru 14.2.1 - page 736) and Wave Propagation material from the handout.

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Sample Exams (no solutions available)