Vol. 43
Latest Volume
All Volumes
PIERL 119 [2024] PIERL 118 [2024] PIERL 117 [2024] PIERL 116 [2024] PIERL 115 [2024] PIERL 114 [2023] PIERL 113 [2023] PIERL 112 [2023] PIERL 111 [2023] PIERL 110 [2023] PIERL 109 [2023] PIERL 108 [2023] PIERL 107 [2022] PIERL 106 [2022] PIERL 105 [2022] PIERL 104 [2022] PIERL 103 [2022] PIERL 102 [2022] PIERL 101 [2021] PIERL 100 [2021] PIERL 99 [2021] PIERL 98 [2021] PIERL 97 [2021] PIERL 96 [2021] PIERL 95 [2021] PIERL 94 [2020] PIERL 93 [2020] PIERL 92 [2020] PIERL 91 [2020] PIERL 90 [2020] PIERL 89 [2020] PIERL 88 [2020] PIERL 87 [2019] PIERL 86 [2019] PIERL 85 [2019] PIERL 84 [2019] PIERL 83 [2019] PIERL 82 [2019] PIERL 81 [2019] PIERL 80 [2018] PIERL 79 [2018] PIERL 78 [2018] PIERL 77 [2018] PIERL 76 [2018] PIERL 75 [2018] PIERL 74 [2018] PIERL 73 [2018] PIERL 72 [2018] PIERL 71 [2017] PIERL 70 [2017] PIERL 69 [2017] PIERL 68 [2017] PIERL 67 [2017] PIERL 66 [2017] PIERL 65 [2017] PIERL 64 [2016] PIERL 63 [2016] PIERL 62 [2016] PIERL 61 [2016] PIERL 60 [2016] PIERL 59 [2016] PIERL 58 [2016] PIERL 57 [2015] PIERL 56 [2015] PIERL 55 [2015] PIERL 54 [2015] PIERL 53 [2015] PIERL 52 [2015] PIERL 51 [2015] PIERL 50 [2014] PIERL 49 [2014] PIERL 48 [2014] PIERL 47 [2014] PIERL 46 [2014] PIERL 45 [2014] PIERL 44 [2014] PIERL 43 [2013] PIERL 42 [2013] PIERL 41 [2013] PIERL 40 [2013] PIERL 39 [2013] PIERL 38 [2013] PIERL 37 [2013] PIERL 36 [2013] PIERL 35 [2012] PIERL 34 [2012] PIERL 33 [2012] PIERL 32 [2012] PIERL 31 [2012] PIERL 30 [2012] PIERL 29 [2012] PIERL 28 [2012] PIERL 27 [2011] PIERL 26 [2011] PIERL 25 [2011] PIERL 24 [2011] PIERL 23 [2011] PIERL 22 [2011] PIERL 21 [2011] PIERL 20 [2011] PIERL 19 [2010] PIERL 18 [2010] PIERL 17 [2010] PIERL 16 [2010] PIERL 15 [2010] PIERL 14 [2010] PIERL 13 [2010] PIERL 12 [2009] PIERL 11 [2009] PIERL 10 [2009] PIERL 9 [2009] PIERL 8 [2009] PIERL 7 [2009] PIERL 6 [2009] PIERL 5 [2008] PIERL 4 [2008] PIERL 3 [2008] PIERL 2 [2008] PIERL 1 [2008]
2013-11-08
Microstrip Wideband Bandpass Filter Based on Square Ring Loaded Resonator
By
Progress In Electromagnetics Research Letters, Vol. 43, 175-184, 2013
Abstract
In this paper, a compact microstrip wideband bandpass filter (BPF) based on square ring loaded resonator (SRLR) is proposed. The SRLR is formed by loading a pair of bent open-stubs outside the diagonal corners of a square ring, which generates three split degenerated modes. The first two split modes form a dominant wideband passband. By introducing another pair of loaded open-stubs, the third split mode is moved into the passband to achieve an extra bandwidth for the wideband passband. Measured results show that this proposed BPF has a 3 dB fractional bandwidth of 69%, and the insertion loss of the BPF is less than 1.0 dB.
Citation
Kun Deng, Jian Zhong Chen, Shou Jia Sun, Bian Wu, and Chang-Hong Liang, "Microstrip Wideband Bandpass Filter Based on Square Ring Loaded Resonator," Progress In Electromagnetics Research Letters, Vol. 43, 175-184, 2013.
doi:10.2528/PIERL13100805
References

1. Ren, S.-W., H.-L. Peng, J.-F. Mao, and A. M. Gao, "Compact quasi-elliptic wideband bandpass filter using cross-coupled multi-mode resonator," IEEE Microw. Wireless Compon. Lett., Vol. 22, No. 8, 397-399, Aug. 2012.
doi:10.1109/LMWC.2012.2205230

2. Sohail, K., P.-W. Wong, and Y.-C. Lee, "Synthesis and design of four pole ultra-wide band (UWB) bandpass filter (BPF) employing multi-mode resonators (MMR)," IEEE MTT-S Int. Microw. Symp. Dig., 1-3, Jun. 2012.

3. Chen, C.-P., J. Oda, T. Anada, Z. Ma, and S. Takeda, "Theoretical design of wideband filters with attenuation poles using improved parallel-coupled three-line units," IEEE MTT-S Int. Microw. Symp. Dig., 1-3, Jun. 2012.

4. Amir, N., M. Masoud, and H. Ahmad, "A novel wideband stepped-impedance rectangular-ring resonator bandpass filter with two notched bands," IEEE MTT-S Int. Microw. Symp. Dig., 1-3, Jun. 2012.

5. Chen, D., L. Zhu, and C.-H. Cheng, "A novel wideband bandpass filter using stub-loaded ring resonator and tapped feed," Progress In Electromagnetics Research Letters, Vol. 42, 37-44, 2013.

6. Cao, H.-L., S.-J. He, H. Li, and S.-Z. Yang, "A compact wideband bandpass filter using novel CSRR loaded QMSIW resonator with high selectivity," Progress In Electromagnetics Research C , Vol. 41, 239-254, 2013.

7. Wei, F., Z.-D. Wand, F. Yang, and X.-W. Shi, "Compact UWB BPF with triple-notched bands based on stub loaded resonator," Electron. Lett., Vol. 49, No. 2, 124-126, Jan. 2013.
doi:10.1049/el.2012.2885

8. Deng, K., J.-Z. Chen, B. Wu, T. Su, and C.-H. Liang, "Miniaturized wideband bandpass filter utilizing square ring resonator and loaded open-stub," Progress In Electromagnetics Research C, Vol. 39, 179-192, 2013.

9. Sun, S. and L. Zhu, "Wideband microstrip ring resonator bandpass filters under multiple resonances," IEEE Trans. Microw. Theory Tech., Vol. 55, No. 10, 2176-2182, Oct. 2007.
doi:10.1109/TMTT.2007.906510

10. Ahonnom, S. and P. Akkaraekthalin, "Wideband dual mode microstrip bandpass filters using a new perturbation with notch rectangular slots," Proceeding of ECTI-CON, Vol. 1, 269-272, 2008.

11. Kim, C.-H. and K. Chang, "Wideband ring resonator bandpass filter with dual stepped impedance stubs," IEEE MTT-S Int. Microw. Symp. Dig., 229-232, May 2010.

12. Fan, J., D.-Z. Zhan, C.-J. Jin, and J.-R. Luo, "Wideband microstrip bandpass filter based on quadruple mode ring resonator," IEEE Microw. Wireless Compon. Lett., Vol. 22, No. 7, 348-350, Jul. 2012.
doi:10.1109/LMWC.2012.2199977

13. Ma, Z.-W., H. Sasaki, C.-P. Chen, T. Anada, and Y. Kobayashi, "Design of a wideband bandpass filter using microstrip parallel-coupled dual-mode ring resonator," Asia-Pacific Microwave Conference Proceedings, 21-24, Dec. 2010.

14. Srisathit, K., A. Worapishet, and W. Surakampontorn, "Design of tripple-mode ring resonator for wideband microstrip bandpass filters," IEEE Trans. Microw. Theory Tech., Vol. 58, No. 11, 2867-2877, Nov. 2010.
doi:10.1109/TMTT.2010.2078295

15. Deng, K., S. Yang, S.-J. Sun, B. Wu, and X.-W. Shi, "Dual-mode dual-band bandpass filter based on square loop resonator," Progress In Electromagnetics Research C, Vol. 37, 119-130, 2013.