Vol. 85

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2018-06-25

Design of Miniaturized Wilkinson Power Divider with Higher Order Harmonic Suppression for GSM Application

By Mukesh Kumar, Sk. Nurul Islam, Susanta Kumar Parui, and Santanu Das
Progress In Electromagnetics Research C, Vol. 85, 25-34, 2018
doi:10.2528/PIERC18041703

Abstract

This paper presents a miniaturized Wilkinson power divider (WPD) with higher order harmonics suppression. The proposed power divider is designed for global system for mobile communication (GSM) application. The quarter wavelength lines of the conventional WPD are replaced by stub loaded transmission line in order to miniaturize the circuit size. A solution, operating at 1.8 GHz center frequency, has shown that the 2nd and 3rd order harmonics are well suppressed by a level < -15 dB. Further, two differently shaped defected ground structures (DGS) are embedded with the design to suppress the higher order harmonics. Therefore, overall 31% size reduction is achieved, and higher order harmonics are suppressed up to the 9th order (16 GHz) by a level < -15 dB compared to reference WPD. The return loss and isolation performance of the proposed WPD are < -15 dB and < -20 dB, respectively.

Citation


Mukesh Kumar, Sk. Nurul Islam, Susanta Kumar Parui, and Santanu Das, "Design of Miniaturized Wilkinson Power Divider with Higher Order Harmonic Suppression for GSM Application," Progress In Electromagnetics Research C, Vol. 85, 25-34, 2018.
doi:10.2528/PIERC18041703
http://jpier.org/PIERC/pier.php?paper=18041703

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