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Waveguides.

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Presentation on theme: "Waveguides."— Presentation transcript:

1 waveguides

2 Waveguides x y z

3 Waveguides y x z

4 Waveguides y x z

5 Waveguides x y z

6 Waveguides x y z

7 fundamental Equations Of Guided waves Fegw

8

9 x y z Waveguides

10 modes Ez = 0 and Hz = 0 ==> TEM mode - plane wave - ideal coax or strip line Ez = 0 and Hz  0 ==> TE mode Ez  0 and Hz = 0 ==> TM mode Ez  0 and Hz  0 ==> hybrid mode

11 Parallel plate waveguide - TM modes
a x m = 1 x a z Ez

12 Parallel plate waveguide - TM modes
a x

13 Parallel plate waveguide - TM modes
a x

14 Parallel plate waveguide - TM modes
a x b w wc

15

16 Waveguides

17 Parallel plate waveguide - TM modes
a x m = 1 m = 2 m = 3 x z a Ez

18 Parallel plate waveguide - TM modes
a x b w wc

19 Parallel plate waveguide - TM modes
a x z Two plane waves b = 0 implies no propagation in the z direction

20 Parallel plate waveguide - TM modes
a x z  = 0 Two plane waves

21 Parallel plate waveguide - TM modes
a x

22 Parallel plate waveguide - TM modes
a x

23 Parallel plate waveguide - TM modes
a x

24 Parallel plate waveguide - TM modes
a x

25 vg v v c 1 w wc

26

27 Waveguides

28 Ez Ex the Hy z x

29

30 Cricket match

31

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