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Band-pass filtering Gysel power divider with inherent DC-block function and high all-frequency isolation

  • Yongle Wu (a1), Lingxiao Jiao (a1), Jiayu Wang (a1), Weimin Wang (a1) and Yuanan Liu (a1)...

A novel small-size filtering power divider (PD) featured four-function integration is proposed. These four integrated functions are high-selectivity filtering, inherent DC block, high all-frequency isolation, and high-power applications. Using single-layer planar circuit technology, this proposed PD can be implemented easily. The measured results of a prototype show that it can operate at 2 GHz with a −10 dB matching bandwidth of 6% and all-frequency −15 dB isolation.

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Corresponding author: Y. Wu Email:
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[1] W.-M. Chau ; K.-W. Hsu ; W.-H. Tu : Filter-based Wilkinson power divider. IEEE Microw. Wireless Compon. Lett., 24 (2014), 239241.

[2] R. Mirzavand ; M.M. Honari ; A. Abdipour ; G. Moradi : Compact microstrip Wilkinson power dividers with harmonic suppression and arbitrary power division ratios. IEEE Trans. Microw. Theory Tech., 61 (2013), 6168.

[3] J. Shi ; K. Xu : Compact differential power divider with enhanced bandwidth and in-phase or out-of-phase output ports. Electron. Lett., 50 (2014), 12091211.

[4] Y.C. Li ; Q. Xue ; X.Y. Zhang : Single- and dual-band power dividers integrated with bandpass filters. IEEE Trans. Microw. Theory Tech., 61 (2013), 6976.

[5] C.-F. Chen ; T.-Y. Huang ; T.-M. Shen ; R.-B. Wu : Design of miniaturized filtering power dividers for system-in-a-package. IEEE Trans. Compon. Packag. Manuf. Technol., 3 (2013), 16631672.

[6] S.-F. Chao ; W.-C. Lin : Filtering power divider with good isolation performance. Electron. Lett., 50 (2014), 815817.

[7] S.-F. Chao ; Y.-R. Li : Miniature filtering power divider with increased isolation bandwidth. Electron. Lett., 50 (2014), 608610.

[11] G.I. Zysman ; A.K. Johnson : Coupled transmission line networks in an inhomogeneous dielectric medium. IEEE Trans. Microw. Theory Tech., 17 (1969), 753759.

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International Journal of Microwave and Wireless Technologies
  • ISSN: 1759-0787
  • EISSN: 1759-0795
  • URL: /core/journals/international-journal-of-microwave-and-wireless-technologies
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