Realization of Low Spurious Responses by Various Bandpass Filters Using Open-Ended λ/2 Resonators

IEICE Transactions on Electronics

Volumn E86-C, Issue 12, 2003, Pages 2394-2402

  Wada, Kouji ^a   Ohno, Takanobu ^a   Nakagawa, Kouichi ^a   Hashimoto, Osamu ^a  

^a AOYAMA GAKUIN UNIVERSITY   (Japan)

Author keywords

Attenuation poles; Bandpass filter; Low spurious responses; Open ended 2 resonator; Point coupling technique

Indexed keywords

COMPUTER SIMULATION; MICROWAVES; MILLIMETER WAVES; NUMERICAL ANALYSIS; RESONATORS; WAVE FILTERS;

ATTENUATION POLES; LOW SPURIOUS RESPONSES; OPEN-ENDED Λ/2 RESONATOR; POINT COUPLING TECHNIQUE;

BANDPASS FILTERS;

EID: 0842288889     PISSN: 09168524     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (13)

1. G. Matthaei, L. Young, and E.M.T. Jones, Microwave Filters, Impedance-Matching Network, and Coupling Structures, MCGraw-Hill, New York, 1964.
2. S.B. Cohn, "Dielectric-coupled-resonator filters," Proc. IRE, vol.45, pp.187-196, Feb. 1957.
3. S.B. Cohn, "Parallel-coupled transmission line resonator filters," IRE Trans. Microw. Theory Tech., vol.MTT-6, no.12, pp.223-231, April 1958.
4. E.G. Cristal and S. Frankel, "Hair-pin-line and hybrid hair-pin-line half-wave parallel-coupled-line filters," IEEE Trans. Microw. Theory Tech., vol.MTT-20, no.11, pp.719-728, Nov. 1972.
5. M. Sagawa, K. Takahashi, and M. Makimoto, "Miniaturized hairpin resonator filters and their application to receiver front-end MICs," IEEE Trans. Microw. Theory Tech., vol.MTT-23, no.12, pp.1991-1997, Dec. 1975.
6. M. Sagawa, M. Makimoto, and S. Yamashita, "Geometrical structures and fundamental characteristics of microwave stepped impedance resonators, " IEEE Trans. Microw. Theory Tech., vol.MTT-45, no.7, pp.1078-1085, July 1997.
7. K. Wada, Y. Noguchi, H. Fujimoto, and J. Ishii, "A tapped-line coplanar waveguide bandpass filter with finite attenuation poles," Proc. 1994 Asia-Pacific Microwave Conference, pp.763-766, Dec. 1994.
8. K. Wada and I. Awai, "A new concept of a bandpass filter with transmission zeros based on tap-connected half-wavelength resonators," Proc. 1998 Asia-Pacific Microwave Conference, vol.1, pp.89-92, Dec. 1998.
9. K. Wada and I. Awai, "Heuristic models of half-wavelength resonator bandpass filter with attenuation poles," Electron. Lett., pp.400-401, March 1999.
10. K. Wada and I. Awai, "A λ/2 CPW resonator BPF with multiple attenuation poles and its application," 1999 IEEE MTT-S International Microwave Symposium Digest, pp.1139-1142, June 1999.
11. M. Dishal, "A simple design procedure for small percentage bandwidth round-rod interdigital filters," IEEE Trans. Microw. Theory Tech., vol.MTT-23, no.9, pp.696-698, Sept. 1965.
12. J.S. Wong, "Microstrip tapped-line filter design," IEEE Trans. Microw. Theory Tech., vol.MTT-23, no.1, pp.44-50, Jan. 1979.
13. E.G. Cristal, "Tapped line coupled transmission lines with application to interdigital and combline filters," IEEE Trans. Microw. Theory Tech., vol.MTT-23, no.12, pp.1007-1012, Dec. 1975.