Antenna Design with Band Notched Characteristic for UWB Applications

Öz

In this paper, a small, low cost and light weight monopole antenna is presented with notched characteristic for Ultra Wideband application. The patch of the antenna consists of sides that are cut a half circle and a rectangle. A narrow rectangular slot has been made to notch the undesired frequency band. The ground plane of the proposed antenna has a rectangular cut which is useful for Impendence matching. The antenna is fed with 50 Ω micro-strip feedline. It has been printed on FR4 substrate which has the relative permittivity of Ꜫr=4.4 and the thickness of 1mm. The total size of the antenna is (26 ×20×1) mm3. The proposed antenna is working at a larger frequency band from 2.9 GHz to 10.8 GHz and has notch band characteristic at 5 GHz to 5.9 GHz. C band notch can be achieved with a band width from 4GHz to 8GHz by increasing the slot size. Some of the simulation results and the characteristics of the proposed antenna are explained in this paper.

Anahtar Kelimeler

• Monopole antenna,ultra wideband,notch band,rectangle slotted

Kaynakça

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