Please use this identifier to cite or link to this item: https://doi.org/10.1109/APMC.2009.5384469
Title: Analysis and design of compact two-way Wilkinson power dividers using coupled lines
Authors: Tang, X. 
Mouthaan, K. 
Keywords: λ/4 impedance transformer
Coupled lines
Wilkinson power divider
Issue Date: 2009
Source: Tang, X.,Mouthaan, K. (2009). Analysis and design of compact two-way Wilkinson power dividers using coupled lines. APMC 2009 - Asia Pacific Microwave Conference 2009 : 1319-1322. ScholarBank@NUS Repository. https://doi.org/10.1109/APMC.2009.5384469
Abstract: This paper analyzes the two-way Wilkinson power dividers using coupled lines as λ/4 impedance transformer to have more compact layout. The analysis shows that the input port matching is only influenced by the even mode impedance of the coupled lines. Once the even mode impedance is fixed, all other specifications of the power divider are determined by the odd mode impedance of the coupled lines. Design tradeoffs among the output matching, isolation and the odd mode impedance are shown. By using smaller odd mode impedance, layout constraint can be relaxed. To validate the analysis, Wilkinson power dividers using coupled lines with areas of 1.5 cm2 and 1.25 cm2 are designed together with a conventional divider with an area of 3.8 cm 2. The experimental results of the three designs are comparable. When coupled lines are used, the layout is more compact with a reduction in size of more than 50% compared to the conventional design. ©2009 IEEE.
Source Title: APMC 2009 - Asia Pacific Microwave Conference 2009
URI: http://scholarbank.nus.edu.sg/handle/10635/83485
ISBN: 9781424428021
DOI: 10.1109/APMC.2009.5384469
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