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Design of differential-mode bandpass filter with common-mode suppression using ring dielectric resonator

  • Jugul Kishor (a1), Binod K. Kanaujia (a2) (a3), Santanu Dwari (a4) and Ashwani Kumar (a5)

Synthesis of differential-mode bandpass filter (BPF) with good common-mode suppression has been described and demonstrated on the basis of ring dielectric resonator (RDR) for high-performance communication system. A RDR with two pairs of feeding lines has been used to excite TE01δ-mode. This unique combination of feeding lines and the ring resonator creates a differential passband. Meanwhile, TM01δ-mode of the DR can also be excited to achieve common-mode rejection in the stopband. Transmission zeros are created in the lower and upper stopband to further improve the selectivity of the proposed BPF. A second-order differential BPF is designed, fabricated and its performance is measured to validate the concept. There is good agreement between simulated and measured results.

Corresponding author
Corresponding author: B.K. Kanaujia Email:
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[1] J. Shi ; Q. Xue : Dual-band and wide-stopband single-band balanced bandpass filters with high selectivity and common mode suppression. IEEE Trans. Microw. Theory Tech., 58 (8) (2010), 20042212.

[2] C.-H. Wu ; C.-H. Wang ; C.H. Chen : Balanced coupled-resonator bandpass filters using multisection resonators for common-mode suppression and stopband extension. IEEE Trans. Microw. Theory Tech., 55 (8) (2007), 17561763.

[4] C.-H. Wu ; C.-H. Wang ; C.H. Chen : Novel balanced coupled line bandpass filters with common-mode noise suppression. IEEE Trans. Microw. Theory Tech., 55 (2) (2007), 287295.

[5] M. Tamura ; T. Ishizaki ; M. Hoft : Design and analysis of vertical split ring resonator and its application to unbalanced-balanced filter. IEEE Trans. Microw. Theory Tech., 58 (1) (2010), 157164.

[7] S.-M. Wu ; C.-T. Kuo ; C.-H. Chen : Very compact full differential bandpass filter with transformer integrated using integrated passive device technology. Progr. Electromagn. Res., 113 (2011), 251267.

[8] J. Shi ; J.-X. Chen ; Q. Xue : A novel differential bandpass filter based on double-sided parallel-strip line dual-mode resonator. Microw. Opt. Technol. Lett., 50 (7) (2008), 17331735.

[9] C.-H. Wu , C.-H. Wang ; C.H. Chen : Stopband-extended balanced bandpass filter using coupled stepped-impedance resonators. IEEE Microw. Wireless Compon. Lett., 17 (7) (2007), 507509.

[10] J.-X. Chen ; C. Shao ; Q.-Y. Lu : Compact LTCC balanced bandpass filter using distributed-element resonator. Electron. Lett., 49 (5) (2013), 354356.

[11] M.-Y. Chen ; W.-H. Hong ; M.-H. Ho : Balanced BPF design of substrate-integrated waveguide cavity using hybrid microstrip/slot feed for CM suppression. Electron. Lett., 50 (21) (2014), 15331534.

[12] J.-X. Chen ; Y. Zhan ; W. Qin ; Z.-H. Bao ; Q. Xue : Novel narrow-band balanced bandpass filter using rectangular dielectric resonator. IEEE Microw. Wireless Compon. Lett., 25 (5) (2015), 289291.

[13] Y. Zhan ; J. Li ; W. Qin ; J.-X. Chen : “Low-loss differential bandpass filter using TE01δ-mode dielectric resonators. Electron. Lett., 51 (13) (2015), 10011003.

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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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