Presentation is loading. Please wait.

Presentation is loading. Please wait.

Electromagnetics II Unit 1:Basics of Transmission Lines

Similar presentations


Presentation on theme: "Electromagnetics II Unit 1:Basics of Transmission Lines"— Presentation transcript:

1 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)

2 Parallel-Plate Waveguide

3 Maxwell’s Eqn. to Wave Eqn.

4 Solution of Wave Equations

5 Definition of V and I

6 Telegrapher’s Equations

7 Wave Equations of V and I

8 Solution to Wave Equations of V, I

9 Equivalent Lumped-circuit of an Infinitesimal Parallel-plate Waveguide

10 Voltage and Current waves
Z0: characteristic impedance (Ω)

11 Telegrapher’s Eqn. in Frequency Domain
Time harmonic :

12 Phasor Form of V and I

13 Voltage and Current Waves along a Transmission Line

14 Voltage Reflection Coefficient by Transient-state Analysis (1)
KVL at source terminal: + _ KVL at load terminal: + _

15 Voltage Reflection Coefficient by Transient-state Analysis (2)
+ _ current reflection coefficient:

16 Steady-state Voltage at Source Terminal
+ _

17 Space-time Diagram

18 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


Download ppt "Electromagnetics II Unit 1:Basics of Transmission Lines"

Similar presentations


Ads by Google