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Wideband out-of-phase power dividers with improved isolation performance

  • Kaijun Song (a1), Fei Xia (a1), Yuxuan Chen (a1), Yu Zhu (a1), Jiawei Li (a2) and Yong Fan (a1)...

Abstract

A compact wideband out-of-phase power divider (PD) with improved isolation performance is proposed. This divider is formed by connecting an additional stub for isolation to output ports of a traditional Marchand balun with a defected ground structure (DGS) been used. To verify the design, a prototype divider is fabricated and tested. The measured results validate the 53.86% band-width centered at 3.43 GHz with more than 15 dB return loss at all ports, more than 17 dB isolation, respectively.

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Author for correspondence: Kaijun Song, E-mail: ksong@uestc.edu.cn

References

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