Skip to main content Accessibility help
×
Hostname: page-component-cd9895bd7-8ctnn Total loading time: 0 Render date: 2024-12-22T22:57:58.509Z Has data issue: false hasContentIssue false

2 - Design methods of multi-band filters

Published online by Cambridge University Press:  05 July 2015

Vesna Crnojević-Bengin
Affiliation:
University of Novi Sad
Get access
Type
Chapter
Information
Publisher: Cambridge University Press
Print publication year: 2015

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Miyake, H., Kitazawa, S., Ishizaki, T., Yamada, T., and Nagatomi, Y., “A miniaturized monolithic dual band filter using ceramic lamination technique for dual mode portable telephones,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 1997, pp. 789–792.Google Scholar
Cameron, R., Kudsia, C., and Mansour, R., Microwave Filters for Communication Systems: Fundamentals, Design, and Applications, John Wiley & Sons, New Jersey, 2007.Google Scholar
Macchiarella, G., “Accurate synthesis of inline prototype filters using cascaded triplet and quadruplet sections,” IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 7, pp. 17791783, July 2002.CrossRefGoogle Scholar
Rosenberg, U. and Amari, S., “Novel coupling schemes for microwave resonator filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 12, pp. 28962902, Dec. 2002.CrossRefGoogle Scholar
Rosenberg, U. and Amari, S., “Novel coupling schemes for microwave resonator filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 50, no. 12, pp. 28962902, Dec. 2002.CrossRefGoogle Scholar
Cameron, R. J., “Advanced coupling matrix synthesis techniques for microwave filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 51, no. 1, pp. 110, Jan. 2003.CrossRefGoogle Scholar
Macchiarella, G. and Tamiazzo, S., “A design technique for symmetric dualband filters,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2005, pp. 12–17.CrossRefGoogle Scholar
Garcia Lamperez, A., “Analytical syntesis algorithm of dual-band filters with asymmetric passbands and generalized topology,” Proceedings of IEEE/MTT-S International Microwave Symposium, 2007, pp. 909–912.CrossRefGoogle Scholar
Lenoir, P., Bila, S., Seyfert, F., Baillargeat, D., and Verdeyme, S., “Synthesis and design of asymmetrical dual-band bandpass filters based on equivalent network simplification,” IEEE Transactions on Microwave Theory and Techniques, vol. 54, no. 7, pp. 30903097, July 2006.CrossRefGoogle Scholar
Mokhtaari, M., Bornemann, J., Rambabu, K., and Amari, S., “Coupling-matrix design of dual and triple passband filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 54, no. 11, pp. 39403946, Nov. 2006.CrossRefGoogle Scholar
Yunchi, Z., Zaki, K. A., Ruiz-Cruz, J. A., and Atia, A. E., “Analytical synthesis of generalized multi-band microwave filters,” Proceedings of IEEE/MTT-S International Microwave Symposium, 2007, pp. 1273–1276.Google Scholar
Corrales, E., Menéndez, O., de Paco, P., Ramirez, M., and Verdú, J., “Microstrip dual-band bandpass filter based on the cul-de-sac topology,” Proceedings of 40th European Microwave Conference, 2010, pp. 549–552.Google Scholar
Chunxia, Z., Yongxin, G., and Shaolin, Y., “A compact dual-band filter based on dual-mode resonators,” Proceedings of Asia-Pacific Microwave Conference, 2011, pp. 1278–1281.Google Scholar
Kuo, Y., Li, J., Cheng, S., and Chang, C., “Tri-band and quad-band filter design using E-shaped resonators,” Proceedings of Asia-Pacific Microwave Conference, 2011, pp. 1270–1273.Google Scholar
Kuo, Y., Lu, J., Liao, C., and Chang, C., “New multiband coupling matrix synthesis technique and its microstrip implementation,” IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 7, pp. 18401850, July 2010.Google Scholar
Kuo, Y. and Chang, C., “Analytical design of two-mode dual-band filters using E-shaped resonators,” IEEE Transactions on Microwave Theory and Techniques, vol. 60, no. 2, pp. 250260, Feb. 2012.CrossRefGoogle Scholar
Lunot, V., Bila, S., and Seyfert, F., “Optimal synthesis for multi-band microwave filters,” Proceedings of IEEE/MTT-S International Microwave Symposium, 2007, pp. 115–118.CrossRefGoogle Scholar
Bila, S., Cameron, R. J., Lenoir, P., Lunot, V., and Seyfert, F., “Chebyshev synthesis for multi-band microwave filters,” Proceedings of IEEE/MTT-S International Microwave Symposium Digest, 2006, pp. 1221–1224.CrossRefGoogle Scholar
Tsai, L. and Hsue, C., “Dual-band bandpass filters using equal-length coupled-serial-shunted lines and Z-transform technique,” IEEE Transactions on Microwave Theory and Techniques, vol. 52, no. 4, pp. 11111117, April 2004.CrossRefGoogle Scholar
Liu, Y. and Dou, W., “A dual-band filter realized by alternately connecting the main transmission-line with shunt stubs and shunt serial resonators,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 5, pp. 296298, May 2009.Google Scholar
Quendo, C., Rius, E., Manchec, A., Clavet, Y., Potelon, B., Favennec, J., and Person, C., “Planar tri-band filter based on dual behavior resonator (DBR),” Proceedings of 35th European Microwave Conference, 2005, pp. 1–4.CrossRefGoogle Scholar
Feng, W., Doan, M., and Che, W., “Compact tri-band bandpass filter based on short stubs and crossed open stubs,” Proceedings of International Conference on Advanced Technologies for Communications, 2010, pp. 213–216.Google Scholar
Law, C. and Cheng, K., “A new, compact, low-loss, microstrip filter design for tri-band applications,” Proceedings of Asia-Pacific Microwave Conference, 2008, pp. 1–5.CrossRefGoogle Scholar
Liu, Y., Zhao, Y., Zhou, Y., and Niu, Z., “Integrated dual-band BPF and single-band BSF for tri-band filter design,” Journal of Electromagnetic Waves and Applications, vol. 25, no. 17, pp. 24202428, Nov. 2011.CrossRefGoogle Scholar
Hong, J. and Lancaster, M. J., Microstrip Filters for RF/Microwave Applications, John Wiley & Sons, New Jersey, 2001.CrossRefGoogle Scholar
Hong, J. and Lancaster, M. J., “Microstrip bandpass filter using degenerate modes of a novel meander loop resonator,” IEEE Microwave and Guided Wave Letters, vol. 5, no. 11, pp. 371372, Nov. 1995.CrossRefGoogle Scholar
Weng, M., Wu, S., Jhong, S., Chang, Y., and Lee, M., “A novel compact dual-mode filter using cross-slotted patch resonator for dual-band applications,” Proceedings of IEEE/MTT-S International Microwave Symposium, 2007, pp. 921–924.CrossRefGoogle Scholar
Sung, Y., “Dual-mode dual-band filter with band notch structures,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 2, pp. 7375, Feb. 2010.CrossRefGoogle Scholar
Fu, S., Wu, B., Chen, J., Sun, S., and Liang, C., “Novel second-order dual-mode dual-band filters using capacitance loaded square loop resonator,” IEEE Transactions on Microwave Theory and Techniques, vol. 60, no. 3, pp. 477483, March 2012.CrossRefGoogle Scholar
Luo, S. and Zhu, L., “A novel dual-mode dual-band bandpass filter based on a single ring resonator,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 8, pp. 497499, Aug. 2009.Google Scholar
Wolff, I., “Microwave bandpass filter using degenerate mode of a microstrip ring,” IET Electronics Letters, vol. 8, no. 12, pp. 302303, June 1972.CrossRefGoogle Scholar
Luo, S., Zhu, L., and Sun, S., “A dual-band ring-resonator bandpass filter based on two pairs of degenerate modes,” IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 12, pp. 3427–3423, Dec. 2010.Google Scholar
Sun, S., “A dual-band bandpass filter using a single dual-mode ring resonator,” IEEE Microwave and Wireless Components Letters, vol. 21, no. 6, pp. 298300, June 2011.CrossRefGoogle Scholar
Chiou, Y., Wu, C., and Kuo, J., “New miniaturized dual-mode dual-band ring resonator bandpass filter with microwave C-sections,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 2, pp. 6769, Feb. 2010.CrossRefGoogle Scholar
Li, Y., Wong, H., and Xue, Q., “Dual-mode dual-band bandpass filter based on a stub-loaded patch resonator,” IEEE Microwave and Wireless Components Letters, vol. 21, no. 10, pp. 525527, Oct. 2011.CrossRefGoogle Scholar
Xiao, J. and Zu, X., “Dual-band bandpass filter using right-angled triangular resonator,” Proceedings of Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC), 2011, pp. 690–695.CrossRefGoogle Scholar
Zhang, R., Zhu, L., and Luo, S., “Dual-mode dual-band bandpass filter using a single slotted circular patch resonator,” IEEE Microwave and Wireless Components Letters, vol. 22, no. 5, pp. 233235, May 2012.CrossRefGoogle Scholar
Luo, S., Zhu, L., and Sun, S., “Compact dual-mode triple-band bandpass filters using three pairs of degenerate modes in a ring resonator,” IEEE Transactions on Microwave Theory and Techniques, vol. 59, no. 5, pp. 12221229, May 2011.Google Scholar
Luo, S., Zhu, L., and Sun, S., “New studies on microstrip ring resonators for compact dual-mode dual- and triple-band bandpass filters,” Proceedings of IEEE Electrical Design of Advanced Packaging and Systems Symposium, 2011, pp. 1–4.Google Scholar
Makimoto, M. and Yamashita, S., “Bandpass filters using parallel coupled stripline stepped impedance resonators,” IEEE Transactions on Microwave Theory and Techniques, vol. 28, no. 12, pp. 14131417, Dec. 1980.CrossRefGoogle Scholar
Chang, S., Jeng, Y., and Chen, J., “Dual-band step-impedance bandpass filter for multimode wireless LANs,” IET Electronics Letters, vol. 40, no. 1, pp. 3839, Jan. 2004.CrossRefGoogle Scholar
Sun, S. and Zhu, L., “Compact dual-band microstrip bandpass filter without external feed,” IEEE Microwave and Wireless Components Letters, vol. 15, no. 10, pp. 644646, Oct. 2005.Google Scholar
Sun, S. and Zhu, L., “Novel design of dual-band microstrip bandpass filters with good in-between isolation,” Proceedings of Asia-Pacific Microwave Conference, 2005, pp. 4–7.Google Scholar
Mokhtaari, M., Bornemann, J., and Amari, S., “New reduced-size step-impedance dual-band filters with enhanced bandwidth and stopband performance,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2006, pp. 1181–1184.CrossRefGoogle Scholar
Rao, C., Wong, T., and Ho, M., “A parallel doubly coupled dual-band bandpass filter,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2006, pp. 511–514.CrossRefGoogle Scholar
Kuo, J. and Lin, H., “Dual-band bandpass filter with improved performance in extended upper rejection band,” IEEE Transactions on Microwave Theory and Techniques, vol. 57, no. 4, pp. 824829, April 2009.Google Scholar
Tsai, Lin-Chuan, “Design of dual-band bandpass filters using stepped-impedance resonators,” Proceedings of 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce (AIMSEC), 2011, pp. 6602–6605.CrossRefGoogle Scholar
Chang, Y., Kao, C., Weng, M., and Yang, R., “Design of the compact dual-band bandpass filter with high isolation for GPS/WLAN applications,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 12, pp. 780782, Dec. 2009.Google Scholar
Ye, C., Su, Y., Weng, M., and Yang, R., “Design of a high selectivity dual-band bandpass filter with stepped impedance resonator,” Proceedings of 39th European Microwave Conference, 2009, pp. 311–313.CrossRefGoogle Scholar
Lin, T., Lok, U., and Kuo, J., “New dual-mode dual-band bandpass filter with quasi-elliptic function passbands and controllable bandwidths,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2010, p. 1.CrossRefGoogle Scholar
Kuo, J. and Lin, T., “Dual-mode dual-band ring resonator bandpass filter with transmission zeros,” Proceedings of Asia-Pacific Microwave Conference, 2010, pp. 1865–1870.Google Scholar
Weng, M., Wu, H., and Su, Y., “Compact and low loss dual-band bandpass filter using pseudo-interdigital stepped impedance resonators for WLANs,” IEEE Microwave and Wireless Components Letters, vol. 17, no. 3, pp. 187189, March 2007.CrossRefGoogle Scholar
Chu, Q. and Chen, F., “A compact dual-band bandpass filter using meandering stepped impedance resonators,” IEEE Microwave and Wireless Components Letters, vol. 18, no. 5, pp. 320322, May 2008.Google Scholar
Zayniyev, D. and Budimir, D., “Compact microstrip dual-band pseudo-interdigital stepped impedance bandpass filters for wireless applications,” Proceedings of IEEE Antennas and Propagation Society International Symposium, 2009, pp. 1–4.CrossRefGoogle Scholar
Zhang, X., Chen, J., Shi, J., and Xue, Q., “High-selectivity dual-band bandpass filter using asymmetric stepped-impedance resonators,” IET Electronics Letters, vol. 45, no. 1, pp. 6364, Jan. 2009.CrossRefGoogle Scholar
Yuan, H. and Fan, Y., “Compact microstrip dual-band filter with stepped-impedance resonators,” IET Electronics Letters, vol. 47, no. 24, p. 1328, Nov. 2011.CrossRefGoogle Scholar
Hayati, M., Noori, L., and Adinehvand, A., “Compact dual-band bandpass filter using open loop resonator for multimode WLANs,” IET Electronics Letters, vol. 48, no. 10, pp. 573574, May 2012.CrossRefGoogle Scholar
Tang, C. and Wu, P., “Design of a planar dual-band bandpass filter,” IEEE Microwave and Wireless Components Letters, vol. 21, no. 7, pp. 362364, July 2011.CrossRefGoogle Scholar
Ming Lin, X. and Chu, Q., “Design of triple-band bandpass filter using tri-section stepped-impedance resonators,” Proceedings of International Conference on Microwave and Millimeter Wave Technology, 2007, pp. 1–3.CrossRefGoogle Scholar
Hsu, C., Lee, C., and Hsieh, Y., “Tri-band bandpass filter with sharp passband skirts designed using tri-section SIRs,” IEEE Microwave and Wireless Components Letters, vol. 18, no. 1, pp. 1921, Jan. 2008.CrossRefGoogle Scholar
Yang, X., Dai, L., and Zhou, R., “The tri-band filter design based on SIR,” Proceedings of International Conference on Audio, Language and Image Processing, 2008, pp. 211–214.Google Scholar
Hu, J., Li, G., Hu, H., and Zhang, H., “A new wideband triple-band filter using SIR,” Journal of Electromagnetic Waves and Applications, vol. 25, no. 16, pp. 22872295, Oct. 2011.CrossRefGoogle Scholar
Hu, J., Li, G., Hu, H., and Zhang, H., “A new wideband triple-band filter using SIR,” Journal of Electromagnetic Waves and Applications, vol. 25, no. 16, pp. 22872295, Oct. 2011.CrossRefGoogle Scholar
Xu, J., Miao, C., Cui, L., Ji, Y.-X., and Wu, W., “Compact high isolation quad-band bandpass filter using quad-mode resonator,” IET Electronics Letters, vol. 48, no. 1, pp. 2829, Jan. 2012.CrossRefGoogle Scholar
Zhu, L., Bu, H., and Wu, K., “Miniaturized multi-pole broadband microstrip bandpass filter: concept and verification,” Proceedings of 30th European Microwave Conference, Paris, 2000, pp. 14.Google Scholar
Zhang, X., Chen, J., Xue, Q., and Li, S., “Dual-band bandpass filters using stub-loaded resonators,” IEEE Microwave and Wireless Components Letters, vol. 17, no. 8, pp. 583585, Aug. 2007.CrossRefGoogle Scholar
Mondal, P. and Mandal, M., “Design of dual-band bandpass filters using stub-loaded open-loop resonators,” IEEE Transactions on Microwave Theory and Techniques, vol. 56, no. 1, pp. 150155, Jan. 2008.CrossRefGoogle Scholar
Virdee, B., Farhat, M., and Ahmed, K., “Dual-band bandpass filter using open-loop resonators,” Proceedings of Asia-Pacific Microwave Conference, 2011, pp. 1054–1057.Google Scholar
Babu, E., Ramesh, M., and Kalghatgi, A., “Compact high isolation dual-band bandpass filter,” Proceedings of 41st European Microwave Conference, 2011, pp. 748–750.Google Scholar
He, W., Ma, Z., Chen, C., Anada, T., and Kobayashi, Y., “A novel dual-band bandpass filter using microstrip stub-loaded two-mode resonators with source and load coupling,” Proceedings of Asia-Pacific Microwave Conference, 2008, pp. 1–4.Google Scholar
Li, L., An, T., Wang, W., and Zhang, W., “A square ring dual-band filter with adjustable second-passband by the open stubs,” Proceedings of International Conference on Microwave and Millimeter Wave Technology, 2008, pp. 291–293.CrossRefGoogle Scholar
Ma, X. and Zheng, H., “Compact dual-band bandpass filter with adjustable passbands using open stubs,” Proceedings of 7th International Conference on Wireless Communications, Networking and Mobile Computing (WiCOM), 2011, pp. 23–25.CrossRefGoogle Scholar
Wu, X., Chu, Q., and Fan, L., “Compact dual-band bandpass filter with controllable bandwidths,” Proceedings of International Conference on Microwave and Millimeter Wave Technology (ICMMT), 2010, pp. 1305–1307.CrossRefGoogle Scholar
Wang, L., Zhao, C., Li, C., and Lin, X., “Dual-band bandpass filter using stub loaded resonators with multiple transmission zeros,” Proceedings of 9th International Symposium on Antennas Propagation and EM Theory (ISAPE), 2010, pp. 1208–1211.Google Scholar
Lee, J. and Lim, Y., “A dual-band bandpass filter using dual and triple-mode resonators,” Proceedings of IEEE Radio and Wireless Symposium (RWS), 2012, pp. 143–146.CrossRefGoogle Scholar
Doan, M., Che, W., and Feng, W., “Novel compact dual-band bandpass filter with multiple transmission zeros and good selectivity,” Proceedings of International Conference on Microwave and Millimeter Wave Technology (ICMMT), 2012, pp. 1–4.CrossRefGoogle Scholar
Zhou, M., Tang, X., and Xiao, F., “Compact dual band bandpass filter using novel E-type resonators with controllable bandwidths,” IEEE Microwave and Wireless Components Letters, vol. 18, no. 12, pp. 779781, Dec. 2008.CrossRefGoogle Scholar
Doan, M. and Che, W., “Compact microstrip dual-band bandpass filter using short-stub loaded half-wavelength resonator,” Proceedings of International Conference on Advanced Technologies for Communications (ATC), 2011, pp. 203–206.CrossRefGoogle Scholar
Chen, F., Chu, Q., and Tu, Z., “Tri-band bandpass filter using stub loaded resonators,” IET Electronics Letters, vol. 44, no. 12, pp. 747749, June 2008.CrossRefGoogle Scholar
Chen, J., Wang, N., He, Y., and Liang, C., “Fourth-order tri-band bandpass filter using square ring loaded resonators,” IET Electronics Letters, vol. 47, no. 15, pp. 858859, July 2011.CrossRefGoogle Scholar
Doan, M., Che, W., and Feng, W., “Tri-band bandpass filter using square ring short stub loaded resonators,” IET Electronics Letters, vol. 48, no. 2, pp. 106107, Jan. 2012.CrossRefGoogle Scholar
Wu, J.-Y. and Tu, W.-H., “Design of quad-band bandpass filter with multiple transmission zeros,” IET Electronics Letters, vol. 47, no. 8, pp. 502503, April 2011.CrossRefGoogle Scholar
Ma, X. and Zheng, H., “A compact dual-band bandpass filter with adjustable second passband using S-shaped stepped impedance resonator embedded by open stubs,” Proceedings of Cross Strait Quad-Regional Radio Science and Wireless Technology Conference (CSQRWC), 2011, pp. 671–674.Google Scholar
Gao, S., Hu, H., and Xiao, Z., “A novel compact dual-band bandpass filter using SIRs with open-stub line,” Proceedings of Microwave Conference China‒Japan Joint, 2008, pp. 464–466.CrossRefGoogle Scholar
Velazquez-Ahumada, M. del Castillo, Martel, J., Medina, F., and Mesa, F., “Design of a dual band-pass filter using modified folded stepped-impedance resonators,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2008, pp. 857–860.CrossRefGoogle Scholar
Hong, J. and Tang, W., “Dual-band filter based on non-degenerate dual-mode slow-wave open-loop resonator,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2009, pp. 861–864.CrossRefGoogle Scholar
Chen, F. and Chu, Q., “Novel multistub loaded resonator and its application to high-order dual-band filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 58, no. 6, pp. 15511556, June 2010.CrossRefGoogle Scholar
Liu, H., Zhang, Z., Wang, S., Zhu, L., Guan, X., Lim, J., and Ahn, D., “Compact dual-band bandpass filter using defected microstrip structure for GPS and WLAN applications,” IET Electronics Letters, vol. 46, no. 21, pp. 14441445, Oct. 2010.CrossRefGoogle Scholar
Chu, Q., Li, Z., Chen, F., and Wu, X., “Design of dual-band bandpass filter using asymmetrical stub-loaded resonators,” Proceedings of 41st European Microwave Conference (EuMC), 2011, pp. 767–769.Google Scholar
Feng, W., Che, W., and Xue, Q., “Novel dual-band bandpass filter using multi-mode resonator,” Proceedings of 4th International High Speed Intelligent Communication Forum (HSIC), 2012, pp. 1–4.CrossRefGoogle Scholar
Li, Z. and Chu, Q., “Compact dual-band bandpass filter using a novel dual-mode resonator,” Proceedings of International Conference on Microwave and Millimeter Wave Technology (ICMMT), 2012, pp. 1–4.CrossRefGoogle Scholar
Chen, W., Weng, M., and Chang, S., “A new tri-band bandpass filter based on stub-loaded step-impedance resonator,” IEEE Microwave and Wireless Components Letters, vol. 22, no. 4, pp. 179181, April 2012.CrossRefGoogle Scholar
Yin, Q., Wu, L., Zhou, L., and Yin, W., “A tri-band filter using tri-mode stub-loaded resonators (SLRs),” Proceedings of IEEE Electrical Design of Advanced Packaging & Systems Symposium, 2010, pp. 1–4.CrossRefGoogle Scholar
Liu, W. and Tung, Y., “Tri-band filter with partly combined stepped-impedance resonators,” Proceedings of Asia-Pacific Microwave Conference, 2011, pp. 975–978.Google Scholar
Liu, A. and Zheng, F., “A new compact tri-band bandpass filter using step impedance resonators with open stubs,” Journal of Electromagnetic Waves and Applications, vol. 26, no. 1, pp. 130139, Jan. 2012.CrossRefGoogle Scholar
Xiao, J. and Zhu, W., “H-shaped SIR bandpass filter with dual and tri-band,” Microwave and Optical Technology Letters, vol. 54, no. 7, pp. 16861688, July 2012.CrossRefGoogle Scholar
Li, Z., Su, T., and Zhao, C., “A novel compact triple-passband filter design based on stepped impedance stub-loaded resonators,” Microwave and Optical Technology Letters, vol. 54, no. 9, pp. 21062108, Sept. 2012.CrossRefGoogle Scholar
Wei, F.., Huang, Q.-L., Li, W.-T., and Shi, X.-W., “A compact quad-band band-pass filter using novel stub-loaded SIR structure,” Microwave and Optical Technology Letters, vol. 56, no. 3, pp. 538542, March 2014.CrossRefGoogle Scholar
Chen, C. and Hsu, C., “A simple and effective method for microstrip dual-band filters design,” IEEE Microwave and Wireless Components Letters, vol. 16, no. 5, pp. 246248, May 2006.CrossRefGoogle Scholar
Zhang, X., Shi, J., Chen, J., and Xue, Q., “Dual-band bandpass filter design using a novel feed scheme,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 6, pp. 350352, June 2009.CrossRefGoogle Scholar
Zhang, Z., Jiao, Y., Wang, X., and Cao, S., “Design of a compact dual-band bandpass filter using opposite hook-shaped resonator,” IEEE Microwave and Wireless Components Letters, vol. 21, no. 7, pp. 359361, July 2011.CrossRefGoogle Scholar
Chu, Q., Ye, L., and Chen, F., “Design of compact dual-band bandpass filter using λ/4 resonators,” Proceedings of Asia-Pacific Microwave Conference, 2008, pp. 1–4.Google Scholar
Tang, C., Liu, W., Chen, M., and Lin, Y., “Design of dual-band bandpass filters with short-end coupled lines,” Proceedings of European Microwave Conference, 2009, pp. 1385–1388.CrossRefGoogle Scholar
Wang, H. and Chu, Q., “A compact dual-band filter with adjustable transmission zeros,” Proceedings of European Microwave Conference, 2009, pp. 117–120.CrossRefGoogle Scholar
Farhat, M. and Virdee, B., “Dual-band bandpass filter using embedded short-circuited resonators in the open-loop c-shape resonator,” Proceedings of European Microwave Conference, 2011, pp. 759–762.Google Scholar
Doan, M. and Che, W., “Dual-band bandpass filter using quarter-wavelength resonator with controllable bandwidths and good selectivity,” Proceedings of International Conference on Advanced Technologies for Communications, 2011, pp. 199–202.CrossRefGoogle Scholar
Dai, G., Guo, Y., and Xia, M., “Dual-band bandpass filter using parallel short-ended feed scheme,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 6, pp. 325327, June 2010.CrossRefGoogle Scholar
Gorur, A. and Karpuz, C., “Compact dual-band bandpass filters using dual-mode resonators,” Proceedings of IEEE/MTT-S International Microwave Symposium, 2007, pp. 905–908.CrossRefGoogle Scholar
Karpuz, C., Gorur, A., Gunturkun, E., and Gorur, A., “Asymmetric response dual-mode dual-band bandstop filters having simple and understandable topology,” Proceedings of Asia Pacific Microwave Conference, 2009, pp. 925–928.CrossRefGoogle Scholar
Karpuz, C. and Gorur, A., “Dual-mode dual-band microstrip filters,” Proceedings of European Microwave Conference, 2009, pp. 105–108.CrossRefGoogle Scholar
Gorur, A. and Karpuz, C., “A novel perturbation arrangement for dual-mode resonators and its dual-band bandpass filter applications,” Proceedings of European Microwave Conference, 2011, pp. 468–471.Google Scholar
Wu, X., Chu, Q., and Chen, F., “Dual-band bandpass filter with controllable bandwidth and good selectivity by using stub-loaded resonators,” Microwave and Optical Technology Letters, vol. 54, no. 6, pp. 15251528, June 2012.CrossRefGoogle Scholar
Cho, Y., Wang, X., and Yun, S., “Design of dual-band interdigital bandpass filters using both series and shunt resonators,” IEEE Microwave and Wireless Components Letters, vol. 22, no. 3, pp. 111113, March 2012.CrossRefGoogle Scholar
Wang, J., Ge, L., Wang, K., and Wu, W., “Compact microstrip dual-mode dual-band bandpass filter with wide stopband,” IET Electronics Letters, vol. 47, no. 4, pp. 263265, Feb. 2011.CrossRefGoogle Scholar
Konpang, J., “A dual-band filter using coupled-feed with asymmetrical stepped-impedance resonator,” Proceedings of Second International Conference on Digital Information and Communication Technology and Its Applications, 2012, pp. 333–337.CrossRefGoogle Scholar
Konpang, J., “A dual-band filter using stepped-impedance resonators with coupled-feed lines,” Proceedings of IEEE 13th Annual Wireless and Microwave Technology Conference, 2012, pp. 1–4.CrossRefGoogle Scholar
Wei, X., Shi, Y., Wang, P., Liao, J., Xu, Z., and Yang, B., “Compact dual-band bandpass filter with improved stopband characteristics,” IET Electronics Letters, vol. 48, no. 12, pp. 704705, June 2012.CrossRefGoogle Scholar
Lee, J. and Lim, Y., “Compact dual-band bandpass filter with good frequency selectivity,” IET Electronics Letters, vol. 47, no. 25, pp. 13761377, Dec. 2011.CrossRefGoogle Scholar
Chen, P., Ho, H., and Ho, M., “Dual-band bandpass filter using the combined λ/2 and λ/4 SIRS for WLAN applications,” Proceedings of IEEE Region 10 Conference TENCON, 2007, pp. 1–3.CrossRefGoogle Scholar
Deng, H., Zhao, Y., Fu, Y., Zhou, X., and Liu, Y., “Compact and high selectivity dual-mode dual-band microstrip BPF with QWR and SLR,” Microwave and Optical Technology Letters, vol. 54, no. 12, pp. 27022705, Dec. 2012.CrossRefGoogle Scholar
Singh, P., Basu, S., and Wang, Y., “Miniature dual-band filter using quarter wavelength stepped impedance resonators,” IEEE Microwave and Wireless Components Letters, vol. 18, no. 2, pp. 8890, Feb. 2008.CrossRefGoogle Scholar
Zhou, M., Tang, X., and Xiao, F., “Compact dual band transversal bandpass filter with multiple transmission zeros and controllable bandwidths,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 6, pp. 347349, June 2009.CrossRefGoogle Scholar
Kim, K., Pyo, H., An, J., and Lim, Y., “Dual-band filter using half wavelength resonators and dual-mode resonator,” Proceedings of 6th International Conference on Electrical Engineering/Electronics, Computer, Telecommunications and Information Technology, 2009, pp. 928–931.Google Scholar
Tseng, C. and Shao, H., “A new dual-band microstrip bandpass filter using net-type resonators,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 4, pp. 196198, April 2010.CrossRefGoogle Scholar
Zhang, X., Chan, C., Xue, Q., and Hu, B., “Dual-band bandpass filter with controllable bandwidths using two coupling paths,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 11, pp. 616618, Nov. 2010.CrossRefGoogle Scholar
Kuo, Y., Lu, J., Liao, C., and Chang, C., “Dual-band filters with frequency-separated dual-path coupling scheme,” Proceedings of 40th European Microwave Conference, 2010, pp. 553–336.Google Scholar
Khan, Z., Mohd Salleh, M., and Abdul Latip, M., “Microstrip dual-band dual-path bandpass filter,” Proceedings of Asia-Pacific Microwave Conference, 2011, pp. 916–918.Google Scholar
Luo, X., Sun, S., and Li, E., “Miniaturized dual-band bandpass filter using λ/2 spiral-resonator and loaded open-stub,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2012, pp. 1–3.CrossRefGoogle Scholar
Hsu, C., Chen, C., and Chuang, H., “A miniaturized dual-band bandpass filter using embedded resonators,” IEEE Microwave and Wireless Components Letters, vol. 21, no. 12, pp. 658660, Dec. 2011.CrossRefGoogle Scholar
Luo, X., Qian, H., Ma, J., Ma, K., and Yeo, K., “Compact dual-band bandpass filters using novel embedded spiral resonator (ESR),” IEEE Microwave and Wireless Components Letters, vol. 20, no. 8, pp. 435437, Aug. 2010.CrossRefGoogle Scholar
[131] Luo, X., Ma, J., and Yeo, K., “Dual-band bandpass filter using embedded spiral resonator and broadside-coupled meander slot-line,” IET Electronics Letters, vol. 46, no. 16, pp. 11351137, Aug. 2010.CrossRefGoogle Scholar
Chen, C., Hsu, C., and Chuang, H., “Design of miniature planar dual-band filter using dual-feeding structures and embedded resonators,” IEEE Microwave and Wireless Components Letters, vol. 16, no. 12, pp. 669671, Dec. 2006.CrossRefGoogle Scholar
Djaiz, A., Denidni, T., and Nedil, M.,, “Dual-band filter using multilayer structures and embedded resonators,” IET Electronics Letters, vol. 43, no. 9, pp. 527528, April 2007.CrossRefGoogle Scholar
Chen, F. and Chu, Q., “Design of compact tri-band bandpass filters using assembled resonators,” IEEE Transactions on Microwave Theory and Techniques, vol. 57, no. 1, pp. 165171, Jan. 2009.CrossRefGoogle Scholar
Zhang, X., Xue, Q., and Hu, B., “Planar tri-band bandpass filter with compact size,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 5, pp. 262264, May 2010.CrossRefGoogle Scholar
Geschke, R., Jokanovic, B., and Meyer, P., “Filter parameter extraction for triple-band composite split-ring resonators and filters,” IEEE Transactions on Microwave Theory and Techniques, vol. 59, no. 6, pp. 15001508, June 2011.CrossRefGoogle Scholar
Doan, M., Che, W., Deng, K., and Feng, W., “Compact tri-band bandpass filter using stub-loaded resonator and quarter-wavelength resonator,” Proceedings of China-Japan Joint Microwave Conference Proceedings, 2011, pp. 1–4.CrossRefGoogle Scholar
Chu, Q., Wu, X., and Chen, F., “Novel compact tri-band bandpass filter with controllable bandwidths,” IEEE Microwave and Wireless Components Letters, vol. 21, no. 12, pp. 655657, Dec. 2011.CrossRefGoogle Scholar
Lin, X., “Design of compact tri-band bandpass filter using λ/4 and stub loaded resonators,” Journal of Electromagnetic Waves and Applications, vol. 24, no. 14, pp. 20292035, Oct. 2010.CrossRefGoogle Scholar
Yang, C.-F., Chen, Y.-C., Kung, C.-Y., Lin, J.-J., and Sun, T.-P., “Design and fabrication of a compact quad-band bandpass filter using two different parallel positioned resonators,” Progress in Electromagnetics Research, vol. 115, pp. 159172, 2011.CrossRefGoogle Scholar
Liu, J.-C., Wang, J.-W., Zeng, B.-H., and Chang, D.-C., “CPW-fed dual-mode double-square-ring resonators for quad-band filters,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 3, pp. 142144, March 2010.CrossRefGoogle Scholar
Wu, H.-W. and Yang, R.-Y., “A new quad-band bandpass filter using asymmetric stepped impedance resonators,” IEEE Microwave and Wireless Components Letters, vol. 21, no. 4, pp. 203205, April 2011.CrossRefGoogle Scholar
Hsu, K.-W. and Tu, W.-H., “Sharp-rejection quad-band bandpass filter using meandering structure,” IET Electronics Letters, vol. 48, no. 15, pp. 935936, July 2012.CrossRefGoogle Scholar
Xiao, J.-K., Zhu, Y.-F., Li, Y., and Li, X.-W., “Miniature quad-band bandpass filter with passband individually controllable using folded SIR,” IET Electronics Letters, vol. 50, no. 9, pp. 679680, April 2014.CrossRefGoogle Scholar
Chen, F.-C. and Chu, Q.-X., “Design of quad-band bandpass filter using assembled resonators,” Microwave and Optical Technology Letters, vol. 53, no. 6, pp. 13051308, June 2011.CrossRefGoogle Scholar
Zhu, H., Gao, L., Zhang, X. Y., and Hu, B.-J., “Design of quad-band bandpass filter using open- and short-stub-loaded resonators,” Proceedings of Cross Strait Quad-Regional Radio Science and Wireless Technology Conference, 2011, pp. 661–663.Google Scholar
Sun, S., Wu, B., Yang, S., Deng, K., and Liang, C., “A novel quad-band filter using centrally shorted-stub loaded resonator and stepped impedance resonator,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2012, pp. 1–3.Google Scholar
Zhang, Z.-C., Chu, Q.-X., and Chen, F.-C., “Novel quad-band filter with high frequency ration and controllable bandwidths using SLHSIRs and SLQSIRs,” Microwave and Optical Technology Letters, vol. 56, no. 12, pp. 28452848, Dec. 2014.CrossRefGoogle Scholar
Lin, S.-C., “Microstrip dual/quad-band filters with coupled lines and quasi-lumped impedance inverters based on parallel-path transmission,” IEEE Transactions on Microwave Theory and Techniques, vol. 59, no. 8, pp. 19371946, Aug. 2011.CrossRefGoogle Scholar
Chen, C.-F., “Design of a compact microstrip quint-band filter based on the tri-mode stub-loaded stepped-impedance resonators,” IEEE Microwave and Wireless Components Letters, vol. 22, no. 7, pp. 357359, July 2012.CrossRefGoogle Scholar
Wu, H., Chen, Y., and Chen, Y., “Multi-layered dual-band bandpass filter using stub-loaded stepped-impedance and uniform-impedance resonators,” IEEE Microwave and Wireless Components Letters, vol. 22, no. 3, pp. 114116, March 2012.CrossRefGoogle Scholar
Hsiao, P., Weng, R., and Chang, Y., “A miniaturized dual-band bandpass filter using open-loop and SIR-DGS resonators,” Proceedings of IEEE Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems, 2008, pp. 191–194.CrossRefGoogle Scholar
Wu, B., Liang, C., Li, Q., and Qin, P., “Novel dual-band filter incorporating defected SIR and microstrip SIR,” IEEE Microwave and Wireless Components Letters, vol. 18, no. 6, pp. 392394, June 2008.Google Scholar
Corrales, E., Menendez, O., and de Paco, P., “Compact dual-band filter based on microstrip-DGS resonator pairs,” Proceedings of 41st European Microwave Conference, 2011, pp. 464–467.Google Scholar
Weng, M., Wu, H., Shu, K., Chen, J., Yang, R., and Su, Y., “A novel triple-band bandpass filter using multilayer-based substrates for WiMAX,” Proceedings of European Microwave Conference, 2007, pp. 325–328.Google Scholar
Ren, L., “Tri-band bandpass filters based on dual-plane microstrip/DGS slot structure,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 8, pp. 429431, Aug. 2010.CrossRefGoogle Scholar
Lai, X., Liang, C., Di, H., and Wu, B., “Design of tri-band filter based on stub loaded resonator and DGS resonator,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 5, pp. 265267, May 2010.CrossRefGoogle Scholar
Cheng, C.-M. and Yang, C.-F., “Develop quad-band (1.57/2.45/3.5/5.2 GHz) bandpass filters on the ceramic substrate,” IEEE Microwave and Wireless Components Letters, vol. 20, no. 5, pp. 268270, May 2010.CrossRefGoogle Scholar
Wu, B., Liang, C., Qin, P., and Li, Q., “Compact dual-band filter using defected stepped impedance resonator,” IEEE Microwave and Wireless Components Letters, vol. 18, no. 10, pp. 674676, Oct. 2008.CrossRefGoogle Scholar
Chio, C., Ting, S., Lim, E., and Tam, K., “Compact dual-band quasi-elliptic bandpass filter with transmission-zero control,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2012, pp. 1–3.CrossRefGoogle Scholar
Liu, H., Shen, L., Zhang, Z., Lim, J., and Ahn, D., “Dual-mode dual-band bandpass filter using defected ground waveguide,” IET Electronics Letters, vol. 46, no. 13, pp. 895897, June 2010.CrossRefGoogle Scholar
Ren, L. and Huang, H., “Dual-band bandpass filter based on dual-plane microstrip/interdigital DGS slot structure,” IET Electronics Letters, vol. 45, no. 21, pp. 10771079, Oct. 2009.CrossRefGoogle Scholar
Chen, J., Yum, T., Li, J., and Xue, Q., “Dual-mode dual-band bandpass filter using stacked-loop structure,” IEEE Microwave and Wireless Components Letters, vol. 16, no. 9, pp. 502504, Sept. 2006.CrossRefGoogle Scholar
Radonić, V. and Crnojević-Bengin, V., “Multilayer dual-mode dual-band filter using square loop resonators,” Proceedings of 40th European Microwave Conference, 2010, pp. 1245–1248.Google Scholar
Yang, R.-Y., Hung, C. Y., and Lin, J.-S., “Design and fabrication of a quad-band bandpass filter using multi-layered SIR structure,” Progress In Electromagnetics Research, vol. 114, pp. 457468, 2011.CrossRefGoogle Scholar
Hsu, K.-W. and Tu, W.-H., “Compact wide-stopband quad-band bandpass filter with tunable transmission zeros,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2012, pp. 1–3.CrossRefGoogle Scholar
Hsu, K.-W., Hung, W.-C., and Tu, W.-H., “Compact quint-band microstrip bandpass filter using double-layered substrate,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2013, pp. 1–4.CrossRefGoogle Scholar
Tang, C., You, S., and Liu, I., “Design of a dual-band bandpass filter with low-temperature co-fired ceramic technology,” IEEE Transactions on Microwave Theory and Techniques, vol. 54, no. 8, pp. 33273332, Aug. 2006.CrossRefGoogle Scholar
Chin, K., Hung, J., Huang, C., Fu, J., Chen, B., and Chen, T., “LTCC dual-band stepped-impedance-stub filter constructed with vertically folded structure,” IET Electronics Letters, vol. 46, no. 23, pp. 15541556, Nov. 2010.CrossRefGoogle Scholar
Guo, Y., Ong, L., Chia, M., and Luo, B., “Dual-band bandpass filter in LTCC,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2005, p. 4.Google Scholar
Qian, K. and Tang, X., “Compact dual-band semi-lumped bandpass filter with LTCC technology,” IET Electronics Letters, vol. 47, no. 13, pp. 755757, June 2011.CrossRefGoogle Scholar
Chen, C., Lin, Y., Horng, T., and Wu, S., “Highly flexible and miniaturized triple-band bandpass filter design using coupled stacked spiral resonators,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2012, pp. 1–3.CrossRefGoogle Scholar
Huang, K., Chiu, T., and Wu, H., “Compact LTCC tri-band filter design,” Proceedings of Asia-Pacific Microwave Conference, 2007, pp. 1–4.CrossRefGoogle Scholar
Wang, L., Chang, M., Li, S., Liou, J., Shiau, C., Hsu, C., and Lee, C., “Quarter-wavelength stepped-impedance YBCO resonators for miniaturized dual-band high-Tc superconducting filters,” IEEE Transactions on Applied Superconductivity, vol. 19, no. 3, pp. 895898, June 2009.CrossRefGoogle Scholar
Yeo, K. and Lancaster, M., “8 pole high temperature superconductor microstrip dual band bandpass filter design,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2011, pp. 1–4.CrossRefGoogle Scholar
Abu Hudrouss, A., Jayyousi, A., and Lancaster, M., “Dual-band HTS filter using modified dual-spiral resonators,” IET Electronics Letters, vol. 46, no. 3, pp. 221222, Feb. 2010.CrossRefGoogle Scholar
Abu-Hudrouss, A., Jayyousi, A., and Lancaster, M., “Triple-band HTS filter using dual spiral resonators with capacitive-loading,” IEEE Transactions on Applied Superconductivity, vol. 18, no. 3, pp. 17281732, Sept. 2008.CrossRefGoogle Scholar
Joshi, H. and Chappell, W., “Dual-band lumped-element bandpass filter,” IEEE Transactions on Microwave Theory and Techniques, vol. 54, no. 12, pp. 41694177, Dec. 2006.CrossRefGoogle Scholar
Cho, Y., Baek, H., Lee, H., and Yun, S., “A dual-band combline bandpass filter loaded by lumped series resonators,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 10, pp. 626628, Oct. 2009.CrossRefGoogle Scholar
Hsu, K.-W., Lin, J.-H., Hung, W.-C., and Tu, W.-H., “Design of compact quad-band bandpass filter using semi-lumped resonators,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2013, pp.1–4.CrossRefGoogle Scholar
Tseng, C. and Itoh, T., “Dual-band bandpass and bandstop filters using composite right/left-handed metamaterial transmission lines,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2006, pp. 931–934.CrossRefGoogle Scholar
Studniberg, M. and Eleftheriades, G., “A dual-band bandpass filter based on generalized negative-refractive-index transmission-lines,” IEEE Microwave and Wireless Components Letters, vol. 19, no. 1, pp. 1820, Jan. 2009.CrossRefGoogle Scholar
Kapitanova, P., Kholodnyak, D., Humbla, S., Perrone, R., Mueller, J., Hein, M., and Vendik, I., “Multi-band and tunable multi-band microwave resonators and filters based on cascaded left/right-handed transmission line sections,” Proceedings of IEEE EUROCON, 2009, pp. 39–45.CrossRefGoogle Scholar
Kahng, S., Jang, G., and Anguera, J., “Metamaterial dual-band bandpass filters using CRLH zero-order-resonators and improving its intermediate stopband,” Proceedings of 4th European Conference on Antennas and Propagation, 2010, pp. 1–3.Google Scholar
Radonic, V., Crnojevic-Bengin, V., and Jokanovic, B., “Novel left-handed unit cell for multi-band filtering applications,” Proceedings of 38th European Microwave Conference, 2008, pp. 694–697.CrossRefGoogle Scholar
Radonic, V., Jankovic, N., and Crnojevic-Bengin, V., “Left-handed unit cell based on Hilbert grounded patch for multi-band filtering applications,” Proceedings of 9th International Conference on Telecommunication in Modern Satellite, Cable, and Broadcasting Services, 2009, pp. 147–150.CrossRefGoogle Scholar
Studniberg, M. and Eleftheriades, G. V., “A quad-band bandpass filter using negative-refractive-index transmission-line (NRI-TL) metamaterials,” Proceedings of International Symposium of Antennas and Propagation Society, 2007, pp. 4961–4964.CrossRefGoogle Scholar
Cameron, R. J., Yu, M., and Wang, Y., “Direct-coupled microwave filters with single and dual bandstops,” IEEE Transactions on Microwave Theory and Techniques, vol. 53, no. 11, pp. 32883297, Nov. 2005.CrossRefGoogle Scholar
Faraji, T. and Hazeri, A. R., “Microstrip dual-band bandstop filter to suppress DGS, DMB, GPS, UTMTS, WCDMA, WIBRO, and WLAN bands,” Microwave and Optical Technology Letters, vol. 54, no. 4, pp. 854856, April 2012.CrossRefGoogle Scholar
Velidi, V. K., Guntupalli, A., and Sanyal, S., “Compact tapped stepped impedance open stub dual-band bandstop filters with sharp rejection characteristics,” Microwave and Optical Technology Letters, vol. 51, no. 10, pp. 22742277, Oct. 2009.CrossRefGoogle Scholar
Chin, K.-S., Yeh, J.-H., and Chao, S.-H., “A compact dual-band bandstop filters using stepped-impedance resonators,” IEEE Microwave and Wireless Components Letters, vol. 17, no. 12, pp. 849851, Dec. 2007.CrossRefGoogle Scholar
Lung, C.-K., Chin, K.-S., and Fu, J. S., “Tri-section stepped-impedance resonators for design of dual-band bandstop filter,” Proceedings of 39th European Microwave Conference, 2009, pp.771–774.CrossRefGoogle Scholar
Zhang, X. Y., Huang, X., Zhang, H.-L., and Hu, B.-J., “Novel dual-band bandstop filter with controllable stopband frequencies,” Microwave and Optical Technology Letters, vol. 54, no. 5, pp. 12031206, May 2012.CrossRefGoogle Scholar
Gao, L., Cai, S. W., Zhang, X.-Y., and Xue, Q., “Dual-band bandstop filter using open and short stub-loaded resonators,” Proceedings of Microwave and Millimeter Wave Technology International Conference, vol. 4, pp.13, 2012.Google Scholar
Chen, F.-C., Qiu, J.-M., and Chu, Q.-X., “Dual-band bandstop filter using stub-loaded resonators with sharp rejection characteristic,” IET Electronics Letters, vol. 49, no. 5, pp. 351352, Feb. 2013.CrossRefGoogle Scholar
Vegesna, S. and Saed, M., “Microstrip dual-band bandpass and bandstop filters,” Microwave and Optical Technology Letters, vol. 54, no. 1, pp. 168171, Jan. 2012.CrossRefGoogle Scholar
Karpuz, C., Gorur, A., Gunturkun, E., and Gorur, A. K., “Asymmetric response dual-mode dual-band bandstop filters having simple and understandable topology,” Proceedings of Asia Pacific Microwave Conference, 2009, pp. 925–928.CrossRefGoogle Scholar
Wong, K. W., Chiu, L., and Xue, Q., “A compact dual-band filter,” Microwave and Optical Technology Letters, vol. 51, no. 12, pp. 29522954, Dec. 2009.CrossRefGoogle Scholar
Kakhki, M. A. and Neshati, M. H. “Experimental investigation of a dual band-reject filter using C-shaped DGS with improved Q-factor,” Proceedings of 5th International Symposium on Telecommunications, 2010, pp. 332–335.Google Scholar
Hu, X., Zhang, Q., and He, S., “Dual-band rejection filter based on split ring resonator (SRR) and complimentary SRR,” Microwave and Optical Technology Letters, vol. 51, no. 10, pp. 25192522, Oct. 2009.CrossRefGoogle Scholar
Wang, J., Ning, H., Mao, L., and Li, M., “Miniaturized dual-band bandstop filter using defected microstrip structure and defected ground structure,” Proceedings of IEEE MTT-S International Microwave Symposium Digest, 2012, pp. 1–3.Google Scholar
Singh, K., Ngachenchaiah, K., Bhatnagar, D., and Pal, S., “Wideband, compact microstrip band stop filter for triband operations,” Proceedings of International Conference on Recent Advances in Microwave Theory and Applications, 2008, pp. 96–98.CrossRefGoogle Scholar
Wang, Z., Nasri, F., and Park, C.-W., “Compact tri-band notched UWB bandpass filter based on interdigital hairpin finger structure,” Proceedings of IEEE 12th Annual Wireless and Microwave Technology Conference, 2011, pp. 1–4.CrossRefGoogle Scholar
Xiao, J.-K. and Zhu, W.-J., “New defected microstrip structure bandstop filter,” Proceedings of Progress In Electromagnetics Research Symposium, 2011, pp. 1471–1474.Google Scholar
Han, S. H., Wang, X. L., and Fan, Y., “Analysis and design of multiple-band bandstop filters,” Progress In Electromagnetics Research, vol. 70, pp. 297306, 2007.CrossRefGoogle Scholar
Awasthi, S., Biswas, A., and Akhtar, M. J., “Direct coupled quad-band bandstop filter synthesis using frequency transformation,” Proceedings of Asia-Pacific Microwave Conference, 2013, pp. 893–895.CrossRefGoogle Scholar

Save book to Kindle

To save this book to your Kindle, first ensure [email protected] is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about saving to your Kindle.

Note you can select to save to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be saved to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

Find out more about the Kindle Personal Document Service.

Available formats
×

Save book to Dropbox

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Dropbox.

Available formats
×

Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

Available formats
×