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Chapter 2 Transmission Line Theory (2.1 ~ 2.5) 전자파연구실 1.

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Presentation on theme: "Chapter 2 Transmission Line Theory (2.1 ~ 2.5) 전자파연구실 1."— Presentation transcript:

1 Chapter 2 Transmission Line Theory (2.1 ~ 2.5) 전자파연구실 1

2 2.1 The lumped-element circuit model For a transmission line 전자파연구실 2

3 2.1 The lumped-element circuit model For a transmission line - Telegrapher equations 전자파연구실 3

4 2.1 The lumped-element circuit model For a transmission line - Wave equations 전자파연구실 4

5 2.1 The lumped-element circuit model For a transmission line - Characteristic impedance 전자파연구실 5

6 2.1 The lumped-element circuit model For a transmission line - Voltage waveform in time domain 전자파연구실 6

7 2.1 The lumped-element circuit model For a transmission line - The lossless line (R = G = 0) 전자파연구실 7

8 2.2 Field analysis of transmission lines 전자파연구실 8 - time-average stored magnetic energy - time-average stored electric energy

9 2.2 Field analysis of transmission lines 전자파연구실 9 -power loss per unit length -time-average power dissipated per unit length

10 2.2 Field analysis of transmission lines 전자파연구실 10

11 2.2 Field analysis of transmission lines -The telegrapher equations derived from field analysis of a coaxial line 전자파연구실 11

12 2.2 Field analysis of transmission lines 전자파연구실 12

13 2.2 Field analysis of transmission lines 전자파연구실 13

14 2.2 Field analysis of transmission lines - Lossless coaxial line 전자파연구실 14

15 2.3 The terminated lossless transmission line - Voltage reflection coefficient - time-average power 전자파연구실 15

16 2.3 The terminated lossless transmisson line - Return loss (RL) - Standing waver ratio (SWR) 전자파연구실 16

17 2.3 The terminated lossless transmisson line - Input impedance 전자파연구실 17

18 2.3 The terminated lossless transmisson line - Special case of lossless terminated lines 전자파연구실 18

19 2.3 The terminated lossless transmisson line - Special case of lossless terminated lines 전자파연구실 19

20 2.3 The terminated lossless transmisson line - Special case of lossless terminated lines - Transmission coefficient - Insertion loss 전자파연구실 20

21 2.4 The smith chart 전자파연구실 21

22 2.4 The smith chart For example 전자파연구실 22

23 2.5 The quarter-wave transform 전자파연구실 23

24 2.5 The quarter-wave transform 전자파연구실 24


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