Nonuniform compact Ultra-Wide Band Wilkinson power divider with different unequal split ratios

Sahar Saleh, Widad Ismail, Intan Sorfina Zainal Abidin, Mohd Haizal Jamaluddin, Samir Ahmed Al-Gailani, Asem S. Alzoubi and Mohammed Hussein Bataineh

Journal of Electromagnetic Waves and Applications, 2020, vol. 34, issue 2, 154-167

Abstract: A compact Ultra-Wide Band (UWB) Wilkinson power divider with different unequal split ratios of 2:1 and 3:1 using three optimized resistors is analyzed, designed and fabricated in this study. A 31.1% size reduction in each λ/4 uniform transmission line (UTL) of the divider is achieved by applying non-uniform transmission lines (NTLs) theory. The proposed divider is contributed to be suitable as a feeder to currently used wireless communication networks such as cognitive radios (CR), resulting in good impedance matching to its entire ports. In addition, the optimized resistors used provided good isolation between the output ports. The simulation is carried out in this study uses High Frequency Structure Simulator (HFSS) software. The simulation results are compared with the hardware measurements to validate the results. It was observed that there was approximately 5% of the difference between simulated and hardware measurements which is within the acceptable limit.

Date: 2020
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DOI: 10.1080/09205071.2019.1691944

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