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Single Feed Inverted U-Shaped Triple-Band Printed Circularly Polarized Antenna for X-Band Applications

Saurabh Singh Patel*, Sudhanshu Verma**

* PG Scholar, Department of Electronics and Communication Engineering, Madan Mohan Malaviya University of Technology, Gorakhpur, India.

** Assistant Professor, Department of Electronics and Communication Engineering, Madan Mohan Malaviya University of Technology, Gorakhpur, Uttar Pradesh, India.

Periodicity:February - April'2017
DOI : https://doi.org/10.26634/jcs.6.2.13461

Abstract

In this paper, a small-size inverted U-shaped structure is presented for designing a triple-band Circularly Polarized (CP) antenna which has a single metallic layer. A micro-strip Coplanar Waveguide (CPW) feed is given. The proposed antenna has a rectangular ground plane and a radiating patch that has an inverted U-shaped, and inverted L-shaped structure that creates three bands in X-band operating at 8.0 / 9.2 / 9.7 GHz frequency bands and has less than -10 dB returnloss bandwidths. The antenna also provides CP modes at 7.1 / 8.5 / 9.9 GHz. The 3 dB axial-ratio bandwidths are 486 MHz centered at 7.1 GHz, 178 MHz centered at 8.5 GHz, and 190 MHz centered at 9.9 GHz. The proposed antenna operates at frequencies 8.0 / 9.2 / 9.7 GHz with VSWR<2.

Keywords

Circular Polarization (CP), Coplanar Waveguide (CPW), Patch Antenna, Triple-band, Axial Ratio (AR)

How to Cite this Article?

Patel, S.S., and Verma, S. (2017). Single Feed Inverted U-Shaped Triple-Band Printed Circularly Polarized Antenna for X-Band Applications. i-manager’s Journal on Communication Engineering and Systems, 6(2), 11-14. https://doi.org/10.26634/jcs.6.2.13461

References

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