Wideband microstrip antenna operating in TM01 mode and its array with compact feed network

This letter presents a broadband linearly polarized (LP) microstrip antenna operating in TM01 mode and its 2 × 2 array with a compact network. Different from the TM10 mode, the TM01 mode can be used to design arrays without a bending feed network. The impedance bandwidth (IBW) of the proposed antenn...

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Bibliographic Details
Published in:Microwave and optical technology letters 2023-08, Vol.65 (8), p.2366-2371
Main Authors: Shu, Wen‐Juan, Li, Jian‐Ying
Format: Article
Language:English
Subjects:
Broadband
Linear polarization
linearly polarization
microstrip antenna
Microstrip antennas
microstrip array
radiative mode
wideband antenna
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Summary:This letter presents a broadband linearly polarized (LP) microstrip antenna operating in TM01 mode and its 2 × 2 array with a compact network. Different from the TM10 mode, the TM01 mode can be used to design arrays without a bending feed network. The impedance bandwidth (IBW) of the proposed antenna is 9.6% (2.19 GHz–2.41 GHz). Subsequently, the characteristic of this antenna operating in TM01 mode is employed to design a 2 × 2 planar array. The measured results show that the array has an IBW of 9.5%, a maximum gain of 11.4 dBi with low cross‐polarization.
ISSN:0895-2477
1098-2760
DOI:10.1002/mop.33697