Compact Diplexer with High Isolation based on Novel Symmetric Double Spiral Resonators

References

[1] G. L. Matthaei and E. G. Cristal, “Multiplexer channel-separating units using interdigital and parallel-coupled filters,” IEEE Trans. Microw. Theory Tech., vol. 13, no. 3, pp. 328–334, 1965.10.1109/TMTT.1965.1125997Search in Google Scholar

[2] T. Yang, P.-L. Chi, and T. Itoh, “Compact quarter-wave resonator and its applications to miniaturized diplexer and triplexer,” IEEE Trans. Microw. Theory Tech., vol. 59, no. 2, pp. 260–269, 2011.10.1109/TMTT.2010.2095029Search in Google Scholar

[3] H. X. Xu, G. M. Wang, and H. P. An, “Hilbert fractal curves form compact diplexer,” Microwaves & RF, vol. 49, no. 8, pp. 92–96, 2010.Search in Google Scholar

[4] J.-G. Liang, W.-L. Chen, and G.-M. Wang, “Harmonics suppression microstrip diplexer for 3G wireless communication system using fractal-shaped geometry,” Microwave Opt. Technol. Lett., vol. 49, no. 12, pp. 2973–2975, 2007.10.1002/mop.22897Search in Google Scholar

[5] T. Yang, P.-L. Chi, and T. Itoh, “High isolation and compact diplexer using the hybrid resonators,” IEEE Microwave Wireless Compon. Lett., vol. 20, no. 10, pp. 551–553, 2010.10.1109/LMWC.2010.2052793Search in Google Scholar

[6] J. Shi, J. X. Chen, and Z. H. Bao, “Diplexers based on microstip line resonators with loaded elements,” Prog. Electromagn. Res., vol. 115, pp. 423–439, 2011.10.2528/PIER11031516Search in Google Scholar

[7] R.-Y. Yang, C.-M. Hsiung, C.-Y. Hung, and C.-C. Lin, “Design of a high band isolation diplexer for GPS and WLAN system using modified stepped-impedance resonators,” Prog. Electromagn. Res., vol. 107, pp. 101–114, 2010.10.2528/PIER10060913Search in Google Scholar

[8] P.-H. Deng, N.-I. Lai, S.-K. Jeng, and C. H. Chen, “Design of matching circuits for microstrip triplexers based on stepped-impedance resonators,” IEEE Trans. Microw. Theory Tech., vol. 54, no. 10, pp. 4185–4192, 2006.10.1109/TMTT.2006.886161Search in Google Scholar

[9] H.-S. Peng and Yi.-C. Chiang, “Microstrip diplexer constructed with new types of dual-mode ring filters,” IEEE Microwave Wireless Compon. Lett., vol. 25, no. 1, pp. 7–9, 2015.10.1109/LMWC.2014.2365740Search in Google Scholar

[10] X. Guan, F. Yang, H. Liu, and L. Zhu, “Compact and high-isolation diplexer using dual-mode stub-loaded resonators,” IEEE Microwave Wireless Compon. Lett., vol. 24, no. 1, pp. 385–387, 2014.10.1109/LMWC.2014.2313591Search in Google Scholar

[11] C.-F. Chen, C.-Y. Lin, B.-H. Tseng, and S.-F. Chang, “High isolation and high-rejection microstrip diplexer with independently controllable transmission zeros,” IEEE Microwave Wireless Compon. Lett., vol. 24, no. 12, pp. 851–853, 2014.10.1109/LMWC.2014.2361684Search in Google Scholar

[12] Y. Horii, C. Caloz, and T. Itoh, “Uper-compact multilayered left-handed transmission line and diplexer application,” IEEE Trans. Microw. Theory Tech., vol. 53, no. 4, pp. 1527–1534, 2005.10.1109/TMTT.2005.845189Search in Google Scholar

[13] J. An, G. M. Wang, C. X. Zhang, and P. Zhang, “Diplexer using composite right-/left-handed transmission line,” Electron. Lett., vol. 44, no. 11, pp. 685–687, 2008.10.1049/el:20083730Search in Google Scholar

[14] H. Y. Zeng, G. M. Wang, and C. X. Zhang, “Planar diplexer using composite right-/left-handed transmission line under balanced condition,” Electron. Lett., vol. 48, no. 2, pp. 104–106, 2012.10.1049/el.2011.2763Search in Google Scholar

[15] H.-X. Xu, G.-M. Wang, J.-G. Liang, and T.-P. Li, “A compact microstrip diplexer using composite right-/left handed transmission line with enhanced harmonic suppression,” Microwave J., vol. 54, no. 2, pp. 112–120, 2011.Search in Google Scholar

[16] H.-X. Xu, G.-M. Wang, Z.-M. Xu, X. Chen, Z.-W. Yu, and L. Geng, “Dual-shunt branch circuit and harmonic suppressed device application,” Appl. Phys. A, vol. 108, no. 2, pp. 497–502, 2012.10.1007/s00339-012-6923-5Search in Google Scholar

[17] H. Oraizi and E. Bidaki: “Optimum design of a miniaturized multilayer SIW diplexer using orthogonal-mode resonator,” 7th International Symposium on Telecommunications (IST), pp. 274–277, 2014.10.1109/ISTEL.2014.7000712Search in Google Scholar

[18] S. Sirci, J. D. Martinez, J. Vague, and V. E. Boria, “Substrate integrated waveguide diplexer based on circular triplet combline filters,” IEEE Microwave Wireless Compon. Lett., vol. 25, no. 5, pp. 1531–1533, 2015.10.1109/LMWC.2015.2427516Search in Google Scholar

[19] T. Zheng, B. Wei, B. Cao, and X. Guo, “Compact superconducting diplexer design with conductor-backed coplanar waveguide structures,” IEEE Trans. Appl. Supercond., vol. 25, no. 2, pp. 1501304, 2015.10.1109/TASC.2015.2409204Search in Google Scholar

[20] G.-C. Wu, G. Wang, J. G. Liang, X.-J Gao, and L. Zhu, “Miniaturised microstrip dual-band bandpass filter using novel symmetric double-spiral resonators for WLAN application,” Electron. Lett., vol. 51, no. 15, pp. 1177–1178, 2015.10.1049/el.2015.1690Search in Google Scholar

[21] J. Chen, and J. Chen “compact balanced bandpass filter using interdigital line resonator with high common mode noise suppression,” Microwave Opt. Technol. Lett., vol. 54, no. 4, pp. 918–920, 2012.10.1002/mop.26737Search in Google Scholar

[22] D. Jung, J. Hansen, and K. Chang, “Miniaturised bandpass filter using dumb-bell-shaped slot resonator,” Electron. Lett., vol. 48, no. 2, pp. 1014–1015, 2012.10.1049/el.2011.3559Search in Google Scholar

[23] S.-W. Ren, H.-L. Peng, J.-F. Mao, and A.-M. Gao, “Compact quasi-elliptic wideband bandpass filter using cross-coupled multiple-mode resonator,” IEEE Microwave Wireless Compon. Lett., vol. 22, no. 8, pp. 397–399, 2012.10.1109/LMWC.2012.2205230Search in Google Scholar

[24] S. Zhang, L. Zhu, and R. Li, “Compact quadruplet bandpass filter based on alternative J/K inverters and λ/4 resonators,” IEEE Microwave Wireless Compon. Lett., vol. 22, no. 5, pp. 224–226, 2012.10.1109/LMWC.2012.2193124Search in Google Scholar

[25] M.-L. Chuang and M.-T. Wu, “Microstrip diplexer design using common T-shaped resonator,” IEEE Microwave Wireless Compon. Lett., vol. 21, no. 11, pp. 583–585, 2011.10.1109/LMWC.2011.2168949Search in Google Scholar

[26] Y. C. Chiang and H. S. Peng, “Design of microstrip diplexer constructed with impedance resonance ring structures,”, 2014 International Symposium on Next-Generation Electronics (ISNE), pp. 1–3, 2014,.10.1109/ISNE.2014.6839348Search in Google Scholar

[27] Y. Zhou, H.-W Deng, and Y. Zhao, “Compact balanced-to-balanced microstrip diplexer with high isolation and common-mode suppression,” IEEE Microwave Wireless Compon. Lett., vol. 24, no. 3, pp. 143–145, 2014.10.1109/LMWC.2013.2291856Search in Google Scholar

[28] X. Guan, F. Yang, H. Liu, and L. Zhu, “Compact and high-isolation diplexer using dual-mode stub-loaded resonators,” IEEE Microwave Wireless Compon. Lett., vol. 24, no. 6, pp. 385–387, 2014.10.1109/LMWC.2014.2313591Search in Google Scholar