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Lecture-1

Lecture-1. Microwave Engineering Instructor: Athar Hanif. Course Outline. Department: Electrical Engineering Title: Microwave Engineering Credits: 4.0 (3 Lectures, 1 Lab) Course Designation as Elective or Required: Required Prerequisite(s): Electromagnetic Field Theory

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Lecture-1

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  1. Lecture-1 Microwave Engineering Instructor: Athar Hanif

  2. Course Outline • Department: Electrical Engineering • Title: Microwave Engineering • Credits: 4.0 (3 Lectures, 1 Lab) • Course Designation as Elective or Required: Required • Prerequisite(s): Electromagnetic Field Theory • Textbook(s) and/or Other Required Material: • 1. Reinhold Ludwig (2004). RF Circuit Design: Theory and Applications (3rd edition), Pearson Education. • 2. David M. Pozar. Microwave Engineering (2nd edition), Prentice-Hall Inc.

  3. Course Outline Course Objective: • To provide a theoretical and practical background in RF/Microwave engineering, long with the engineering analysis, design, and laboratory skills. • To study the transmission line theory, analysis and design of RF/Microwave circuits using different techniques, filter design and matching networks. • Computer-aided analysis and design of RF/Microwave circuit will be emphasized.

  4. Course Outline • Student Learning Outcomes: After successfully completing the course with a grade of C (2.0/4.0) or better, the student should be able to do the following: • Describe the importance of FR/Microwave engineering in the field. • Be able to analyze and design the transmission line. • Be able to use the SMITH CHART for the analysis of different RF/Microwave circuits. • Must be capable of analyze the two port RF/Microwave network with different parameters.

  5. Course Outline • Be able to analyze and design the RF/Microwave filter for different applications • Be able to design the impedance matching network for RF/Microwave circuits • Apply SERENADE and ADS software tools to verify the design assignments to evaluate the performance of power factor and switching angles for PWM switching.

  6. Course Outline • Introduction • Transmission Line Theory • Smith Chart • Microwave Network Analysis • A Brief Overview of RF/Microwave Filter Design • Impedance Matching and Tuning

  7. Course Outline • Computer Resources:Each student must use MATLAB and SERENADE/ADS software tool to verify the design assignments to evaluate the performance of RF and Microwave circuits.

  8. Course Outline • Grading: • Quizzes 5% • DesignAssignments* 5% • Sessional 10% • Mid-Term 15% • Lab 20% • Report and presentation of a contemporary electronic topic 5% • Final Exam 40% * The design assignments will be announced in the class

  9. Introduction to Microwave Engineering • Microwaves: 300 MHz ~ 300 GHz (1 mm ≤ λ ≤1 m) • 1mm ≤ λ ≤ 10mm  Millimeter waves • Because of the high frequency (short wavelength), standard circuit theory generally cannot be used directly to solve microwave network problems.

  10. Introduction to Microwave Engineering • Microwave components: distributed elements (the phase of a voltage or current changes significantly over the physical extent of the device)

  11. The Electromagnetic Spectrum

  12. Design Focus

  13. 2 GHz Power Amplifier

  14. PCB Layout of PA

  15. Applications • Antenna gain is proportional to the electrical size of the antenna. • A more bandwidth can be realized at higher frequencies.

  16. Applications • Communication Systems • Radar Systems • Environmental remote sensing • Medical systems • Cellular telephones systems • Global positioning system (GPS) • Satellite systems

  17. Applications • Wireless local area network • Microwave telemetry systems • Microwave telecommand systems

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