A Novel Multi-Way Power Divider Design with Enhanced Spurious Suppression
关键词:
Bagley Polygon power divider, enhanced spurious suppression, multi-way, Tshaped transmission line摘要
In this article, a multi-way Bagley Polygon power divider using a novel technique for enhanced harmonic suppression is presented. In this technique, a T-shaped transmission line with open stub is designed to replace each quarterwavelength transmission line of the conventional Bagley Polygon power divider. The proposed power divider characterizes arbitrary multiharmonic suppression in theory, and not only exempt from backside etching or lumped reactive components, but also offering a high level of attenuation over a wide stop band bandwidth. The closed form design equations of the proposed Bagley Polygon power divider have been obtained by rigorous derivation. For verification, a 5-way Bagley Polygon power divider is fabricated and measured. The bandwidth for the suppression of the single third harmonic above 20 dB approximates 37% and enhanced the second-, third-, and fourth-harmonic above 30 dB over 3 GHz at operation frequency of 1.0 GHz.
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