Compact microstrip bandpass filters with good selectivity and stopband rejection

IEEE Transactions on Microwave Theory and Techniques

Volumn 54, Issue 2, 2006, Pages 533-538

  Deng, Pu Hua ^a,b   Lin, Yo Shen ^a,c   Wang, Chi Hsueh ^a,b   Chen, Chun Hsiung ^a,b  

^a IEEE   (Taiwan)

^b NATIONAL TAIWAN UNIVERSITY   (Taiwan)

^c NATIONAL CENTRAL UNIVERSITY   (Taiwan)

Author keywords

Bandpass filter; Cross coupling; Microstrip; Quarter wavelength resonators

Indexed keywords

CROSS-COUPLING; MICROSTRIP; QUARTER-WAVELENGTH RESONATORS; STOPBAND REJECTION;

ELECTRIC INDUCTORS; MICROSTRIP DEVICES; NETWORKS (CIRCUITS); RESONATORS;

BANDPASS FILTERS;

EID: 33144455389     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2005.862709     Document Type: Article

References (15)

1. G. L. Mattaei, L. Young, and E. M. T. Jones, Microwave Filters, Impedance-Matching Networks, and Coupling Structures. Norwood, MA: Artech House, 1980.
2. E. G. Crystal and S. Frankel, "Hairpin-line and hybrid hairpin-line/half-wave parallel-coupled-line filters," IEEE Trans. Microw. Theory Tech., vol. MTT-20, no. 11, pp. 719-728, Nov. 1972.
3. M. Sagawa, K. Takahashi, and M. Makimoto, "Miniaturized hairpin resonator filters and their application to receiver front-end MIC's," IEEE Trans. Microw. Theory Tech., vol. 37, no. 12, pp. 1991-1997, Dec. 1989.
4. J. S. Hong and M. J. Lancaster, "Cross-coupled microstrip hairpin-resonator filters," IEEE Trans. Microw. Theory Tech., vol. 46, no. 1, pp. 118-122, Jan. 1998.
5. J. T. Kuo, M. J. Maa, and P. H. Lu, "A microstrip elliptic function filter with compact miniaturized hairpin resonators," IEEE Microw. Guided Wave Lett., vol. 10, no. 3, pp. 94-95, Mar. 2000.
6. C. M. Tsai, S. Y. Lee, and C. C. Tsai, "Performance of a planar filter using a 0° feed structure," IEEE Trans. Microw. Theory Tech., vol. 50, no. 10, pp. 2362-2367, Oct. 2002.
7. G. L. Matthaei, "Interdigital bandpass filters," IEEE Trans. Microw. Theory Tech., vol. MTT-10, no. 11, pp. 479-491, Nov. 1962.
8. M. Dishal, "A simple design procedure for small percentage bandwidth round-rod interdigital filters," IEEE Trans. Microw. Theory Tech., vol. MTT-13, no. 11, pp. 696-698, Nov. 1965.
9. E. G. Cristal, "Tapped-line coupled transmission lines with applications to interdigital and combline filters," IEEE Trans. Microw. Theory Tech., vol. MTT-23, no. 12, pp. 1007-1012, Dec. 1975.
10. C. Y. Chang, C. C. Chen, and H. J. Huang, "Folded quarter-wave resonator filters with Chebyshev, flat group delay, or quasi-elliptical function response," in IEEE MTT-S Int. Microw. Symp. Dig., Seattle, WA, Jun. 2002, pp. 1609-1612.
11. C. Y. Chang and C. C. Chen, "A novel coupling structure suitable for cross-coupled filters with folded quarter-wave resonators," IEEE Microw. Wireless Compon. Lett., vol. 13, no. 12, pp. 517-519, Dec. 2003.
12. C. C. Chen, Y. R. Chen, and C. Y. Chang, "Miniaturized microstrip cross-coupled filters using quarter-wave or quasi-quarter-wave resonators, " IEEE Trans. Microw. Theory Tech., vol. 51, no. 1, pp. 120-131, Jan. 2003.
13. H. K. Pang, K. M. Ho, K. W. Tam, and R. P. Martins, "A compact microstrip λ/4-SIR interdigital bandpass filter with extended stopband," in IEEE MTT-S Int. Microw. Symp. Dig., Fort Worth, TX, Jun. 2004, pp. 1621-1624.
14. P. H. Deng, C. H. Wang, Y. S. Lin, and C. H. Chen, "A novel compact microstrip bandpass filter with two transmission zeros," in Proc. 34th Microw. Eut: Conf., Amsterdam, The Netherlands, Oct. 2004, pp. 633-636.
15. R. Levy and J. D. Rhodes, "A comb-line elliptic filter," IEEE Trans. Microw. Theory Tech., vol. 19, no. 1, pp. 26-29, Jan. 1971.