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Electromagnetics II Unit 1:Basics of Transmission Lines
Lecturer: Professor Jean-Fu Kiang Text book: N. N. Rao, “Elements of Engineering Electromagnetics,” sixth ed., Pearson, 2004. Unless noted, the course materials are licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Taiwan (CC BY-NC-SA 3.0)
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Parallel-Plate Waveguide
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Maxwell’s Eqn. to Wave Eqn.
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Solution of Wave Equations
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Definition of V and I
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Telegrapher’s Equations
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Wave Equations of V and I
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Solution to Wave Equations of V, I
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Equivalent Lumped-circuit of an Infinitesimal Parallel-plate Waveguide
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Voltage and Current waves
Z0: characteristic impedance (Ω)
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Telegrapher’s Eqn. in Frequency Domain
Time harmonic :
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Phasor Form of V and I
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Voltage and Current Waves along a Transmission Line
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Voltage Reflection Coefficient by Transient-state Analysis (1)
KVL at source terminal: + _ KVL at load terminal: + _
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Voltage Reflection Coefficient by Transient-state Analysis (2)
+ _ current reflection coefficient:
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Steady-state Voltage at Source Terminal
+ _
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Space-time Diagram
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Copyright Declaration
Page Work Licensing Author/Source 2 Jean-Fu Kiang / National Taiwan University This work is licensed by Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Taiwan 5 17
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