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2019-05-08
Compact Wilkinson Power Divider with Higher Order Harmonics Suppression for LTE Application
By
Progress In Electromagnetics Research Letters, Vol. 84, 23-29, 2019
Abstract
This paper presents a compact Wilkinson power divider (WPD) operating at 0.7 GHz (LTE band) with higher order harmonics suppression based on step impedance shunt stubs (SISSs) and defected ground structure (DGS). The quarter wavelength lines of conventional WPD are replaced by a host line loaded with a DGS and a pair of SISSs. The DGS and SISS of the proposed line serve as a high series inductance and shunt capacitance, respectively. Therefore, a compact quarter wavelength line is designed compared to conventional one. A prototype of the proposed power divider is designed based on the proposed line, which provides a size reduction of 71% as compared to conventional WPD (CWPD) at 0.7 GHz. In addition, upper edge selectivity is found to be 40 dB/GHz along with higher order harmonics suppression up to the 10th order (7GHz) by a level better than 20 dB. The proposed power divider is experimentally verified with the simulated one and found to be same.
Citation
Mukesh Kumar, Sk. Nurul Islam, Gobinda Sen, Susanta Kumar Parui, and Santanu Das, "Compact Wilkinson Power Divider with Higher Order Harmonics Suppression for LTE Application," Progress In Electromagnetics Research Letters, Vol. 84, 23-29, 2019.
doi:10.2528/PIERL19021902
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