A Novel UWB Antenna with Triple Band-Notched Characteristics
Keywords:
Band-notched, monopole antenna, T-shapedAbstract
A novel planar monopole antenna with 3.9/5.5/8 GHz triple band-notched characteristics is proposed. The monopole antenna is composed of microstrip line and radiating patch where the large circle following connects with a small half circle, whereas the ground plane is printed on the other side. By adding a simple T-shaped resonator on the bottom side, two band-notched characteristics in the C-band (3.7-4.2 GHz) and Xband (7.6-8.6 GHz) are obtained at the same time. The band-notched characteristic in the WLAN (5- 6 GHz) is obtained by etching spline curved strip in the radiating patch. The measured results are roughly consistent with the simulated. The proposed antenna is printed on a 22 mm ! 32 mm, polytetrafluoroethylene (PTFE) substrate with relative permittivity of 2.65 and substrate thickness of 0.5 mm.
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References
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