Wideband circularly polarized microstrip antenna array using a new single feed network

Nasimuddin; Zhi Ning Chen; K. P. Esselle

doi:10.1002/mop.23481

Wideband circularly polarized microstrip antenna array using a new single feed network

Nasimuddin^*, Zhi Ning Chen, K. P. Esselle

^*Corresponding author for this work

Faculty of Science and Engineering

Research output: Contribution to journal › Article › peer-review

34 Citations (Scopus)

Abstract

A new single feed system is presented for broadband and high gain circularly polarized stacked microstrip (CPSM) array applications. It consists of a combination of a microstrip line and a via. The gap between elements and location of the feed are optimized to achieve a good circular polarization (CP) performance with high gain. A 2 × 2 sequentially rotated array was fabricated and tested. The measured 3 dB axial-ratio (Aft) bandwidth is 27% (3.5-4.6 GHz) and at boresight gain is 9.0 dBic over the 3 dB AR bandwidth. The measured 10 dB return loss impedance bandwidth is around 51% (3.28-5.54 GHz). The proposed new feeding network system is very useful to design the high gain and wideband CP array in a space-limited environment.

Original language	English
Pages (from-to)	1784-1789
Number of pages	6
Journal	Microwave and Optical Technology Letters
Volume	50
Issue number	7
DOIs	https://doi.org/10.1002/mop.23481
Publication status	Published - Jul 2008

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abstract = "A new single feed system is presented for broadband and high gain circularly polarized stacked microstrip (CPSM) array applications. It consists of a combination of a microstrip line and a via. The gap between elements and location of the feed are optimized to achieve a good circular polarization (CP) performance with high gain. A 2 × 2 sequentially rotated array was fabricated and tested. The measured 3 dB axial-ratio (Aft) bandwidth is 27% (3.5-4.6 GHz) and at boresight gain is 9.0 dBic over the 3 dB AR bandwidth. The measured 10 dB return loss impedance bandwidth is around 51% (3.28-5.54 GHz). The proposed new feeding network system is very useful to design the high gain and wideband CP array in a space-limited environment.",

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Wideband circularly polarized microstrip antenna array using a new single feed network

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