Microwave engineering
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Transcript of Microwave engineering
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EE 4FJ4: Microwave EngineeringInstructor:
Dr. Wei-Ping Huang, CRL Rm. 207, ext. 27696, [email protected]
Teaching Assistants:
Mr. Kevin Zhang, CRL Rm.110, ext.24521, [email protected]
Mr. Faisal Habibullah, CRL Rm.110, ext.24521, [email protected]
Textbooks:
Lecture notes (available in library or from TAs/Instructor)
D.M.Pozar, Microwave Engineering (2nd Ed.), John Wiley, 1998.
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In innocence, we see the beginning. In passion, we see the end.
Lao Tse (605-531 BC)
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Objectives
• To provide the basic theory pertaining to microwaves and other high-frequency devices and subsystems
• To examine some of its applications to modern communication systems
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Motivations
• Practical Reasons:– Useful
– Fundamental
– Increasing important
• Intellectual Reasons– Rigorous
– Elegant
– Challenging
• Energy/power generation & transmission
• Telecommunications
• Other emerging applications
• Laws of EM waves have certain beauty about them that can be appreciated by those who understand them on an aesthetic level.
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Course Description
Transmission Line Theory
EM Field & Wave Theory
Lumped Circuit Theory
Microwave Circuit Theory
Waveguides Resonators Antennas
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Course Requirements
Lectures & Tutorials
Labs10%
Tests20%
Final70%
Homework Assignments
Laboratories (4)
In-Class Tests (4)
Final Exam
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Electromagnetic Spectrum
Photonics:: 0.751.65 m
f: 10-100THz
}
Microwavesf: 300MHz 300GHz
: 1m 1mm
}
As carrier frequency increases, the same relative bandwidth means higher absolute bandwidth!
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Communication Bandwidth Available in Optical Fiber Transmission Lines
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Progress in Microelectronics
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Improvement in system capacityHigher speed, more channels
1
10
100
1,000
10,000
100,000
1,000,000
1995 1997 1999 2001 2003 2005
Source: RHK
Sys
tem
Cap
acit
y (G
bp
s)
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Reduction in bandwidth costHigher speed, lower prices