CPW-Fed Wide Band Micro-machined Fractal Antenna with Band-notched Function

被引:3
作者
Kumar, Ashwini [1 ]
Pharwaha, Amar Partap Singh [1 ]
机构
[1] St Longowal Inst Engn & Technol, Dept Elect & Commun Engn, Sangrur, Punjab, India
来源
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2020年 / 35卷 / 08期
关键词
Gain; micro-machining; Sierpinski fractal; silicon; wideband; CAVITY-BACKED SLOT; BANDWIDTH ENHANCEMENT; MONOPOLE ANTENNA; APERTURE ANTENNA; PATCH ANTENNA; UWB ANTENNA; DESIGN;
D O I
10.47037/2020.ACES.J.350812
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, a straightforward yet effective design methodology to design wideband antenna with band notched characteristics has been proposed. Sierpinski carpet fractal geometry has been used to realize the antenna structure. Co-planar waveguide feed is used with a novel structure to achieve larger impedance bandwidth and band notching characteristics. Proposed antenna is designed using High Frequency Structure Simulator (HFSS) on a low cost FR4 substrate (epsilon(r) =4.4) which resonates at three frequencies 1.51 GHz (1.19-2.06GHz), 6.53 GHz and 8.99 GHz (4.44-9.54 GHz) while a band is notched at 10.46 GHz (9.32-11.92 GHz). The proposed antenna has an electrical dimension of 0.36 lambda(m) x 0.24 lambda(m), here lambda(m) is the wavelength with respect to lowest resonating frequency of the antenna. The resonating and radiation characteristics of the antenna are verified experimentally. Further, investigations are made to achieve easy integration of the antenna to the monolithic microwave integrated circuits. For that the antenna has been designed on micro-machined high index Silicon substrate which improve matching and gain of the antenna. The results of the micro-machined Sierpinski carpet fractal antenna are highly convincing over the conventional FR4 based antenna.
引用
收藏
页码:929 / 935
页数:7
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