1. Introduction to Linear Antennas
Zbynek Raida
Dept. of Radio Electronics Brno University of Technology Brno, Czechia

2. History
1864: The agreement of the results seems to show that light and magnetism are affections of the same substance, and that light is an electromagnetic disturbance propagated through the field according to electromagnetic laws.
James Clerk Maxwell

3. Maxwell Equations (1)

4. Maxwell Equations (2)
André-Marie Ampére

5. Maxwell Equations (3)
André-Marie Ampére

6. Maxwell Equations (4)
Michael Faraday

7. Maxwell Equations (5)
Michael Faraday

8. Wireless Communication
1887:
Heinrich Rudolf Hertz

9. Symmetrical Dipole (1) a) Direct conductor b) Symmetric dipole
c) Monopole

10. Symmetrical Dipole (2)

11. Monopole (1)

12. Monopole (2)

13. Slot (1)

14. Slot (2)

15. Parameters of SMA connector
Monopoles (1)
Parameters of SMA connector
Dielectrics
Teflon
Dielectric constant
2.00
Impedance
50 

16. Monopoles (2)
input impedance [Ohm]
frequency [GHz]

17. Monopoles (3)
input impedance [Ohm]
frequency [GHz]

18. Fractal monopoles (1)

19. Fractal monopoles (2)

20. Fractal monopoles (3)

21. Wideband Dipole (1)

22. Wideband Dipole (2)
CST
meas.
IE3D

23. Wideband Dipole (3)
MATLAB
Measurement
CST
After optimization …

24. Dipole and Reflector (1)
Top layer
Bottom layers

25. Dipole and Reflector (2)

26. Dielectric Dipole (1)

27. Dielectric Dipole (2)

28. Wideband Monopole (1)

29. back
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