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http://dx.doi.org/10.12673/jant.2021.25.3.229

Power Dividers for High Splitting Ratios using Transmission Line Connected with Open and Short Stubs  

Kim, Young (School of Electronic Engineering, Kumoh National Institute of Technology)
Publication Information
Journal of Advanced Navigation Technology / v.25, no.3, 2021 , pp. 229-235 More about this Journal
Abstract
This paper proposes a method of implementing an unequal power divider for high splitting ratios by using transmission lines connected with open and short stubs. The proposed method is an equivalent circuit analysis of a transmission line with an additional port so that it can be converted to an arbitrary impedance in the center of a 2-port transmission line and a 3-port transmission line with an open or short stub connected in parallel to each port. To prove the validity of this method, a Wilkinson power divider with k2 = 20 dB splitting ratio and a Gysel power divider with k2 = 17 dB splitting ratio were designed at a center frequency of 1 GHz using a 3-port transmission line equivalent circuit. The experimental results of the electrical characteristics are in good agreement with the simulation.
Keywords
Gysel divider; High splitting ratio; Open and short stubs; Unequal power divider; Wilkinson divider;
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