Parallel-coupled line filters with enhanced stopband performances

IEEE Transactions on Microwave Theory and Techniques

Volumn 53, Issue 12, 2005, Pages 3774-3781

  Fathelbab, Wael M ^a,b   Steer, Michael B ^a,b  

^a IEEE   (Japan)

^b North Carolina State University   (United States)

Author keywords

Capacitively loaded resonators; High pass bandpass filter prototypes; Parallel coupled line (PCL) filters; Spurious stopband rejection; Uniform stepped impedance resonators

Indexed keywords

CAPACITIVELY LOADED RESONATORS; PARALLEL-COUPLED LINE (PCL) FILTERS; SPURIOUS STOPBAND REJECTION; UNIFORM/STEPPED-IMPEDANCE RESONATORS;

BROADBAND NETWORKS; COMPUTER SIMULATION; ELECTRIC IMPEDANCE; NOTCH FILTERS; RESONATORS;

BANDPASS FILTERS;

EID: 29544437028     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2005.859871     Document Type: Article

References (26)

1. S. B. Cohn, "Parallel-coupled transmission-line resonator filters," IRE Trans. Microw. Theory Tech., vol. MTT-6, no. 4, pp. 223-231, Apr. 1958.
2. B. J. Minnis, "Printed circuit coupled-line filters for bandwidths up to and greater than an octave," IEEE Trans. Microw. Theory Tech., vol. MTT-29, no. 3, pp. 215-222, Mar. 1981.
3. I. Bahl, "Capacitively compensated high performance parallel coupled microstrip filters," in IEEE MTT-S Int. Microwave Symp. Dig., Jun. 1989, pp. 679-682.
4. S. M. Wang, C. H. Chi, M. Y. Hsieh, and C. Y. Chang, "Miniaturized spurious passband suppression microstrip filter using meandered parallel coupled lines," IEEE Trans. Microw. Theory Tech., vol. 53, no. 2, pp. 747-753, Feb. 2005.
5. M. C. Velazquez-Ahumada, J. Martel, and F. Medina, "Parallel coupled microstrip filters with ground-plane aperture for spurious band suppression and enhanced coupling," IEEE Trans. Microw. Theory Tech., vol. 52, no. 3, pp. 1082-1086, Mar. 2004.
6. _, "Parallel coupled microstrip filters with floating ground-plane conductor for spurious-band suppression," IEEE Trans. Microw. Theory Tech., vol. 53, no. 5, pp. 1823-1828, May 2005.
7. L. Zhu, H. Bu, and K. Wu, "Broadband and compact multi-pole microstrip bandpass filters using ground plane aperture technique," Proc. Inst. Elect. Eng.-Microwave Antennas Propag., vol. 149, pp. 71-77, Feb. 2002.
8. J. T. Kuo, M. Jiang, and H. J. Chang, "Design of parallel-coupled microstrip filters with suppression of spurious resonances using substrate suspension," IEEE Trans. Microw. Theory Tech., vol. 52, no. 1, pp. 83-89, Jan. 2004.
9. J. T. Kuo and M. Jiang, "Enhanced microstrip filter design with a uniform dielectric overlay for suppressing the second harmonic response," IEEE Microw. Wireless Compon. Lett., vol. 14, no. 9, pp. 419-421, Sep. 2004.
10. T. Lopetegi, M. A. G. Laso, J. Hernandez, M. Bacaicoa, D. Benito, M. J. Garde, M. Sorolla, and M. Guglielmi, "New microstrip 'wiggly line' filters with spurious passband suppression," IEEE Trans. Microw. Theory Tech., vol. 49, no. 9, pp. 1593-1598, Sep. 2001.
11. T. Lopetegi, M. A. G. Laso, F. Falcone, F. Martin, J. Bonache, J. Garcia, L. Perz-Ceivas, M. Sorolla, and M. Guglielmi, "Microstrip 'wiggly line' filters with multispurious rejection," IEEE Microw. Wireless Compon. Lett., vol. 14, no. 11, pp. 531-533, Nov. 2004.
12. B. S. Kim, J. W. Lee, and M. S. Song, "An implementation of harmonic-suppression microstrip filters with periodic grooves," IEEE Microw. Wireless Compon. Lett., vol. 14, no. 9, pp. 413-415, Sep. 2004.
13. J. T. Kuo, W. H. Hsu, and W. T. Huang, "Parallel coupled microstrip filters with suppression of harmonic response," IEEE Microw. Wireless Compon. Lett., vol. 12, no. 10, pp. 383-385, Oct. 2002.
14. _, "Tapped wiggly-coupled technique applied to microstrip bandpass filters for multi-octave spurious suppression," Electron. Lett., vol. 40, pp. 46-47, Jan. 2004.
15. J. Garcia-Garcia, F. Martin, F. Falcone, J. Bonache, I. Gil, T. Lopetegi, M. Laso, M. Sorolla, and R. Marques, "Spurious passband suppression in microstrip coupled line band pass filters by means of split ring resonators," IEEE Microw. Wireless Compon. Lett., vol. 14, no. 9, pp. 416-418, Sep. 2004.
16. M. Makimoto and S. Yamashita, "Bandpass filters using parallel coupled striplines stepped impedance resonators," IEEE Trans. Microw. Theory Tech. vol. MTT-28, no. 12, pp. 1413-1417, Dec. 1980.
17. P. Cheong, S. W. Fok, and K. W. Tam, "Miniaturized parallel coupled-line bandpass filter with spurious-response suppression," IEEE Trans. Microw. Theory Tech., vol. 53, no. 5, pp. 1810-1816, May 2005.
18. U. H. Gysel, "New theory and design for hairpin-line filters," IEEE Trans. Microw. Theory Tech., vol. MTT-22, no. 5, pp. 523-531, May 1974.
19. I. Hunter, Theory and Design of Microwave Filters. London, U.K.: IEE Press, 2001.
20. G. Matthaei, L. Young, and E. M. T. Jones, Microwave Filters, Impedance-Matching Networks, and Coupling Structures. Norwood, MA: Artech House, 1980.
21. M. Horton and R. Wenzel, "General theory and design of optimum quarter-wave TEM filters," IEEE Trans. Microw. Theory Tech., vol. MTT-13, no. 5, pp. 316-327, May 1965.
22. H. J. Orchard and G. C. Temes, "Filter design using transformed variable," IEEE Trans. Circuit Theory, vol. CT-15, no. 12, pp. 385-408, Dec. 1968.
23. R. J. Wenzel, "Synthesis of combline and capacitively loaded interdigital bandpass filters of arbitrary bandwidth," IEEE Trans. Microw. Theory Tech., vol. MTT-19, no. 8, pp. 678-686, Aug. 1971.
24. J. A. G. Malherbe, Microwave Transmission Line Filters. Norwood, MA: Artech House, 1979.
25. B. J. Minnis, Designing Microwave Circuits by Exact Synthesis. Norwood, MA: Artech House, 1996.
26. G. I. Zysman and A. K. Johnson, "Coupled transmission line networks in an inhomogeneous dielectric medium," IEEE Trans. Microw. Theory Tech., vol. MTT-17, no. 10, pp. 753-759, Oct. 1969.