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- Title
Design of a Reconfigurable Band-Notch SWB Antenna.
- Authors
Jiahao Sun; Hua Jing; Hongcheng Zhou; Yu Wang; Ping Wang; Yifei Qin
- Abstract
This paper introduces a novel planar super-wideband (SWB) antenna with reconfigurable band-notch characteristic. The antenna can work in band-notch mode or band-notch free mode. A good impedance matching is responsible for the SWB characteristic of the proposed antenna by adopting a gradient ground, a gradient feeder line, and a gradient radiating patch. Furthermore, to achieve a reconfigurable notched band function, a 0.3mmn deep slot which is 16mm in length and 8mm in width is dug near the antenna feeder for the placement of dielectric plates etched with different sizes of split ring resonator (SRR). The designed antenna has a size of 200mm × 109mm × 0.79mm, and the measured frequency band of bandwidth covers 0.8-26 GHz with a reconfigurable band-rejection characteristic. The dielectric plates with different SRRs reject the part of WLAN band (5.44-5.55 GHz), X-band satellite downlink band (7.65 GHz-7.82 GHz), and 6.33 GHz-6.59 GHz. A good agreement is achieved within the super-wideband frequency range between simulated and measured results.
- Subjects
ULTRA-wideband antennas; ANTENNAS (Electronics); IMPEDANCE matching; RESONATORS
- Publication
Progress in Electromagnetics Research Letters, 2021, Vol 99, p1
- ISSN
1937-6480
- Publication type
Article
- DOI
10.2528/pierl21060703