A Design and Manufacture of Modified Rhombus Slot UWB antenna with Fork-shaped-Feedline

Title & Authors
A Design and Manufacture of Modified Rhombus Slot UWB antenna with Fork-shaped-Feedline
Ha, Sung-Jea; Yoon, Joong-Han;

Abstract
In this paper, we propose a modified rhombus slot UWB(Ultra Wide Band) antenna with fork-shaped feeding structure. The proposed antenna is modified rhombus slot structure and fork-shaped feeding structure to get ultra-wideband characteristics for UWB communication. Modified rhombus slot structure consists of slot shaped which eliminated upper and lower part of the basic rhombus slot. The antenna is designed on an FR-4 substrate of which the dielectric constant is 4.4, and its overall size is $\small{34mm(W_1){\times}34mm(L_1){\times}1mm(t)}$, and its slot antenna size is $\small{30mm(W_2){\times}16.75mm(L_3+L_4)}$. After carrying out the simulation of each parameters, optimized values are obtained. From the fabricated and measured results, return loss of the proposed antenna satisfied Return Loss -10dB in 3.1 ~ 10.6 GHz. And measured results of gain and radiation patterns characteristics displayed for operating bands.
Keywords
Slot Antenna;Modified Rhombus Slot;Fork-shaped-fed;UWB(Ultra-Wide band) Application;
Language
Korean
Cited by
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