UWB Bow-Tie Antenna with Tapered Inductive Loading

被引：0
|
作者：
Lestari, Andrian Andaya [1 ]
机构：
[1] High Tech Solut, Div Labs 247, Jakarta, Indonesia
来源：
2019 IEEE INTERNATIONAL CONFERENCE ON ANTENNA MEASUREMENTS & APPLICATIONS (CAMA) | 2019年
关键词：
Bow-tie antenna; UWB antenna; inductive loading; resistive loading; ground penetrating radar; RADIATION;
D O I：
10.1109/cama47423.2019.8959719
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：
A UWB bow-tie antenna, designed to work in the VHF-UHF band, is realized by a novel implementation of tapered inductive loading. The antenna with the proposed loading profile has been manufactured as a printed antenna on an FR4 material. It exhibits a fractional bandwidth of over 90% with dimensions of only 20 x 20 cm for a center frequency of 450 MHz. Despite its relatively small size, the proposed antenna works with very high efficiency, as the proposed loading scheme introduces no ohmic loss. In principle, it can be applied to other frequency bands as well, by scaling the antenna dimensions up or down according to the desired center frequency. Additionally, resistive loading such as microwave absorbers can be added when a larger bandwidth is needed.
引用
收藏
页码：265 / 268
页数：4
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