An Investigation of Quarter-Wavelength Square-Spiral Resonator and Its Applications to Miniaturized Bandpass Filters

References

• Dai , G. L. , Zhang , X. Y. , Chan , C. H. , Xue , Q. and Xia , M. Y. 2009 . An investigation of openand short-ended resonators and their applications to bandpass filters . IEEE Trans. Microw. Theory and Tech. , 57 Sep. : 2203 – 2210 . Vo. 9
   Web of Science ®Google Scholar
• Mo , S.-G. , Yu , Z.-Y. and Zhang , L. 2009 . Design of triple-mode bandpass filter using improved hexagonal loop resonator . Progress In Electromagnetics Research , 96 : 117 – 125 .
   Web of Science ®Google Scholar
• Wang , R. , Wu , L.-S. and Zhou , X.-L. 2008 . Compact folded substrate integrated waveguide cavities and bandpass filter . Progress In Electromagnetics Research , 84 : 135 – 147 .
   Web of Science ®Google Scholar
• Mo , S.-G. , Yu , Z.-Y. and Zhang , L. 2009 . Compact dual-mode bandpass filters using hexagonal meander loop resonators . Journal of Electromagnetic Waves and Applications , 23 ( No. 13 ) : 1723 – 1732 .
   Web of Science ®Google Scholar
• Goaur , A. , Karpuz , C. and Akpinar , M. 2003 . A reduced-size dualmode bandpass filter with capacitively loaded open-loop arms . IEEE Microw. Wireless Compon. Lett. , 13 ( No. 9 ) Sep. : 385 – 387 .
   Google Scholar
• Zhang , X. Y. , Chen , J.-X. and Xue , Q. 2007 . Compact bandpass filter using open-loop resonators with capacitive loading . Microwave and Optical Technology Letters , 49 ( No. 1 ) Jan. : 83 – 84 .
   Google Scholar
• Wang , Y. X. , Wang , B.-Z. and Wang , J. P. 2007 . A compact square loop dual-mode bandpass filter with wide stop-band . Progress In Electromagnetics Research , 77 : 67 – 73 .
   Web of Science ®Google Scholar
• Gorur , A. 2002 . A novel dual-mode bandpass filter with wide stopband using the properties of microstrip open-loop resonator . IEEE Microw. Wireless Compon. Lett. , 12 ( No. 10 ) Oct. : 386 – 388 .
   Google Scholar
• Shum , K. M. , Mo , T. T. , Xue , Q. and Chan , C. H. 2005 . A compact bandpass filter with two tuning transmission zeros using a CMRC resonator . IEEE Trans. Microw. Theory Tech. , 53 ( No. 3 ) Mar. : 895 – 900 .
   Google Scholar
• Kuo , J.-T. and Tsai , C.-Y. 2006 . Periodic stepped-impedance ring resonator (PSIRR) bandpass filter with a ministurized area and desirable upper stopband characteristics . IEEE Trans. Microw. Theory Tech. , 54 ( No. 3 ) Mar. : 1107 – 1112 .
   Google Scholar
• Tu , W.-H. and Chang , K. 2005 . Miniaturized dual-mode bandpass filter with harmonic control . IEEE Microw. Wireless Compon. Lett. , 15 ( No. 12 ) Dec. : 838 – 840 .
   Google Scholar
• Liu , H. , Fu , T. , Yang , Y. and Li , X. 2008 . Miniaturized dual-mode filter using fractral slot and snaky-shape spur-line . Journal of Electromagnetic Waves and Applications , 22 ( No. 13 ) : 1775 – 1782 .
   Google Scholar
• AlHawari , A. R. H. , Ismail , A. , Rasid , M. F. A. , Abdullah , R. S. A. R. , Esfeh , B. K. and Adam , H. 2009 . Compact microstrip bandpass filter with sharp passband shirts using square spiral resonators and embedded-resonators . Journal of Electromagnetic Waves and Applications , 23 ( No. 5–6 ) : 675 – 683 .
   Web of Science ®Google Scholar
• Dai , G. and Xia , M. 2010 . Novel miniaturized bandpass filters using spiral-shaped resonators and window feed structures . Progress In Electromagnetics Research , 100 : 235 – 243 .
   Web of Science ®Google Scholar
• Hong , J.-S. and Lancaster , M. J. 1995 . Bandpass characteristics of new dual-mode microstrip square loop resonators . Electronics Letters , 31 ( No. 11 ) May : 891 – 892 .
   Google Scholar
• Zhang , G. , Lancaster , M. J. and Huang , F. 2006 . A hightemperture superconducting bandpass filter with microstrip quarter-wavelength spiral resonators . IEEE Trans. Microw. Theory Tech. , 54 ( No. 2 ) Feb. : 559 – 563 .
   Google Scholar
• Hong , J.-S. and Lancaster , M. J. 2001 . Microstrip Filters for RF/Microwave Applications , New York : Wiley . Chapter 8
   Google Scholar
• Ma , K. X. , Ma , J.-G. , Yeo , K. S. and Do , M. A. 2006 . A compact size coupling contronllable filter with separate electric and magnetic coupling paths . IEEE Trans. Microw. Theory Tech. , 54 ( No. 3 ) Mar. : 1113 – 1119 .
   Web of Science ®Google Scholar
• Chu , Q.-X. , Chen , F.-C. , Tu , Z.-H. and Wang , H. 2009 . A novel crossed resonator and its applications to bandpass filters . IEEE Trans. Microw. Theory Tech. , 57 ( No. 7 ) Jul. : 1753 – 1759 .
   Google Scholar
• Thomas , J. B. 2003 . Cross-coupling in coaxial cavity filters — A tutorial overview . IEEE Trans. Microw. Theory Tech. , 51 ( No. 4 ) Apr. : 1368 – 1376 .
   Google Scholar