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PIER PIER B PIER C PIER M PIER Letters PIER Photonics
2018-11-23
A Tuning Fork Shaped Differential Dipole Antenna with Floating Reflectors
By
Rida Gadhafi,

    Dr. Rida Gadhafi

    Khalifa University, Masdar Institute

    United Arab Emirates

    Homepage

Dan Cracan,

    Dr. Dan Cracan

    Khalifa University, Masdar Institute

    United Arab Emirates

    Homepage

Ademola Akeem Mustapha,

    Dr. Ademola Akeem Mustapha

    Khalifa University, Masdar Institute

    United Arab Emirates

    Homepage

Mihai Sanduleanu

    Dr. Mihai Sanduleanu

    Khalifa University, Masdar Institute

    United Arab Emirates

    Homepage

Progress In Electromagnetics Research Letters, Vol. 80, 47-52, 2018
doi:10.2528/PIERL18100902 | Google Scholar

Abstract
In this letter, a tuning fork shaped, differential dipole antenna, with two floating reflectors, is presented. The dipole antenna resonates at 1.22 GHz and has a fractional bandwidth (FBW) of 16.39% and a differential impedance of 100 Ω. The proposed antenna is composed of quarter wavelength tuning fork shaped dipole arms in the top layer. To improve robustness, while connecting to the differential circuits, two floating reflectors are used on the bottom layer, beneath the dipole arm. This method helps improving the gain by 7%. A microstrip-to-coplanar strip line (CPS) transition is designed to measure the stand-alone differential antenna. The measured gain and efficiency of the antenna are 2.14 dBi and 84%, respectively, at the resonant frequency. The possible targeted applications are circuits with differential inputs/outputs, like energy harvesting circuits, radio frequency tags, wireless communications and any other wireless sensor network nodes. Details of the design along with simulated and experimental results are presented and discussed.
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Citation
Rida Gadhafi, Dan Cracan, Ademola Akeem Mustapha, and Mihai Sanduleanu, "A Tuning Fork Shaped Differential Dipole Antenna with Floating Reflectors," Progress In Electromagnetics Research Letters, Vol. 80, 47-52, 2018.
doi:10.2528/PIERL18100902
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