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2010-01-27
Closed-Form Design Method of an n -Way Dual-Band Wilkinson Hybrid Power Divider
By
Progress In Electromagnetics Research, Vol. 101, 97-114, 2010
Abstract
In this paper, the closed-form design method of an N-way dual-band Wilkinson hybrid power divider is proposed. This symmetric structure including N groups of two sections of transmission lines and two isolated resistors is described which can split a signal into N equiphase equiamplitude parts at two arbitrary frequencies (dual-band) simultaneously, where N can be odd or even. Based on the rigorous even- and odd- mode analysis, the closed-form design equations are derived. For verification, various numerical examples are designed, calculated and compared while two practical examples including two ways and three ways dual-band microstrip power dividers are fabricated and measured. It is very interesting that this generalized power divider with analytical design equations can be designed for wideband applications when the frequency-ratio is relatively small. In addition, it is found that the conventional N-way hybrid Wilkinson power divider for single-band applications is a special case (the frequency-ratio equals to 3) of this generalized power divider.
Citation
Yongle Wu, Yuan'an Liu, Shulan Li, Cuiping Yu, and Xin Liu, "Closed-Form Design Method of an n -Way Dual-Band Wilkinson Hybrid Power Divider," Progress In Electromagnetics Research, Vol. 101, 97-114, 2010.
doi:10.2528/PIER09111906
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