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Content Provider | IET Digital Library |
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Author | Wang, Wenlei Luo, Guo Qing Jin, Huayan Fan, Kuikui Hao, Zhang Chen |
Abstract | A compact single M-shaped probe fed circularly polarised filtenna (filtering antenna) without extra filtering circuit is presented in this study, in which three pair slots with different lengths are etched on its parasitic patch to produce radiation nulls at both band edges of its operating band. Furthermore, a single M-shaped probe feeding structure is used to improve the selectivity, especially for the lower band edge. By merging the filtering circuit into a radiating element, a good selectivity in the gain response can be realised without influencing the operation band aperture efficiency. A sample is fabricated and results show that the proposed filtenna has an operating bandwidth of 13% (∣S 11∣ < −10 dB, AR < 3 dB) with a centre frequency of 5 GHz, a peak gain of 8.9 dBic, and an average gain of 8.3 dBic within its operating bandwidth. Radiation nulls at 3.93, 5.97 and 6.36 GHz introduced by the three pairs of slots have been successfully generated. The radiation patterns are stable within the whole wide operating band. |
Starting Page | 950 |
Ending Page | 954 |
Page Count | 5 |
ISSN | 17518725 |
Volume Number | 14 |
e-ISSN | 17518733 |
Issue Number | Issue 9, Jul (2020) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-map/14/9 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-map.2019.0936 |
Journal | IET Microwaves, Antennas & Propagation |
Publisher Date | 2020-04-15 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Antenna Accessory Antenna Feeds Antenna Radiation Pattern Band Edges Broadband Antenna Circularly Polarised Application Circularly Polarised Filtenna Compact Single M-shaped Probe Electromagnetic Wave Polarisation Filtering Antenna Filtering Method in Signal Processing Filtering Theory Frequency 3.93 GHz Frequency 5.0 GHz Frequency 5.97 GHz Frequency 6.36 GHz Gain Response M-shaped Probe Feeding Structure Microstrip Antenna Operation Band Aperture Efficiency Pair Slot Parasitic Patch Radiating Element Radiation Nulls Radiation Pattern Single Antenna Slot Antenna Wide Operating Band Wideband Filtenna |
Content Type | Text |
Resource Type | Article |
Subject | Electrical and Electronic Engineering |
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