Miniaturized spurious passband suppression microstrip filter using meandered parallel coupled lines

IEEE Transactions on Microwave Theory and Techniques

Volumn 53, Issue 2, 2005, Pages 747-753

  Wang, Shih Ming ^a   Chi, Chun Hsiang ^a   Hsieh, Ming Yu ^a,b   Chang, Chi Yang ^a  

^a NATIONAL CHIAO TUNG UNIVERSITY   (Taiwan)

^b CHUNG SHAN INSTITUTE OF SCIENCE AND TECHNOLOGY   (Taiwan)

Author keywords

Microstrip; Microwave filter; Parallel coupled line; Spurious passband

Indexed keywords

COMPUTER SIMULATION; ELECTRIC IMPEDANCE; EQUIVALENT CIRCUITS; MICROWAVE FILTERS; MODAL ANALYSIS; NATURAL FREQUENCIES; PERMITTIVITY; RESONATORS;

MICROSTRIP FILTERS; PARALLEL COUPLED LINES; PHASE VELOCITY; SPURIOUS PASSBAND;

BANDPASS FILTERS;

EID: 14544275006     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2004.840619     Document Type: Conference Paper

References (16)

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. G. L. Matthaei, "Design of wide-band (and narrow-band) bandpass microwave filters on the insertion loss basis," IRE Trans. Microw. Theory Tech., vol. MTT-8, no. 11, pp. 580-593, Nov. 1960.
3. C.-Y. Chang and T. Itoh, "A modified parallel-coupled filter structure that improves the upper stopband rejection and response symmetry," IEEE Trans. Microw. Theory Tech., vol. 39, no. 2, pp. 310-314, Feb. 1991.
4. A. Riddle, "High performance parallel coupled microstrip filters," in IEEE MTT-S Int. Microwave Symp. Dig., 1988, pp. 427-430.
5. D. M. Pozar, Microwave Engineering, 2nd ed. New York: Wiley, 1998, pp. 474-485.
6. J.-T. Kuo, S.-P. Chen, and M. Jiang, "Parallel-coupled microstrip filters with over-coupled end stages for suppression of spurious responses," IEEE Microw. Wireless Compon. Lett., vol. 13, no. 10, pp. 440-442, Oct. 2003.
7. B. Easter and K. A. Merza, "Parallel-coupled-line filters of invented-microstrip and suspended-substrate MIC's," in 11th Eur. Microwave Conf. Dig., 1981, pp. 164-167.
8. S. L. March, "Phase velocity compensation in parallel-coupled microstrip," in IEEE MTT-S Int. Microwave Symp. Dig., 1982, pp. 410-412.
9. I. J. Bahl, "Capacitively compensated high performance parallel coupled microstrip filters," in IEEE MTT-S Int. Microwave Symp. Dig., 1989, pp. 679-682.
10. 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.
11. 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.
12. C. Quendo, J. Coupez, C. Person, E. Rius, M. Roy, and S. Toutain, "Bandpass filters with self-filtering resonators: A solution to control spurious resonances," in IEEE MTT-S Int. Microwave Symp. Dig., 1999, pp. 1135-1138.
13. M. Makimoto and S. Yamashita, "Bandpass filters using parallel coupled stripline stepped impedance resonators," IEEE Trans. Microw. Theory Tech., vol. MTT-28, no. 12, pp. 1413-1417, Dec. 1980.
14. C. Wang and K. Chang, "Microstrip multiplexer with four channels for broadband system applications," Int. J. RF Microwave Computer-Aided Eng., pp. 48-54, Nov. 2001.
15. S.-M. Wang, C.-H. Chen, and C.-Y. Chang, "A study of meandered microstrip coupler with high directivity," in IEEE MTT-S Int. Microwave Symp. Dig., 2003, pp. 63-66.
16. B. M. Schiffman, "A new class of broadband microwave 90° phase shifter," IRE Trans. Microw. Theory Tech., vol. MTT-6, no. 4, pp. 232-237, Apr. 1958.