A shorted waveguide-stub coupling mechanism for narrow-band multimode coupled resonator filters

IEEE Transactions on Microwave Theory and Techniques

Volumn 52, Issue 6, 2004, Pages 1622-1625

  Steyn, Werner ^a,b   Meyer, Petrie ^a  

^a STELLENBOSCH UNIVERSITY   (South Africa)

^b Reutech Radar Systems   (South Africa)

Author keywords

Coupling; Dual mode; Filters; Triple mode

Indexed keywords

COMPUTER SIMULATION; FINITE ELEMENT METHOD; INSERTION LOSSES; MAGNETIC COUPLINGS; NATURAL FREQUENCIES; RECTANGULAR WAVEGUIDES; TUNING; WAVEGUIDE COMPONENTS;

CAVITY RESONANCES; COUPLING COEFFICIENTS; DUAL MODES; TRIPLE MODES;

MICROWAVE FILTERS;

EID: 2942576131     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2004.828465     Document Type: Article

References (11)

1. H. L. Thal, "Microwave filter loss mechanisms and effects," IEEE Trans. Microwave Theory Tech., vol. MTT-30, pp. 1330-1334, Sept. 1982.
2. L. Accatino, G. Bertin, and M. Mongiardo, "A four-pole dual mode elliptic filter realized in circular cavity without screws," IEEE Trans. Micro-wave Theory Tech., vol. 44, pp. 2680-2686, Dec. 1996.
3. X. Liang, K. A. Zaki, and A. E. Atia, "Dual mode coupling by square corner cut in resonators and filters," IEEE Trans. Microwave Theory Tech., vol. 40, pp. 2294-2301, Dec. 1992.
4. R. Orta, P. Savi, R. Tascone, and D. Trinchero, "Rectangular waveguide dual-mode filters without discontinuities inside the resonators," IEEE Microwave Guided Wave Lett., vol. 5, pp. 302-304, Sept. 1995.
5. M. Guglielmi, R. C. Molina, and A. A. Melcon, "Dual-mode circular waveguide filters without tuning screws," IEEE Microwave Guided Wave Lett., vol. 2, pp. 457-458, Nov. 1992.
6. R. Beyer and F. Arndt, "Efficient modal analysis of waveguide filters including the orthogonal mode coupling elements by an MM/FE method," IEEE Microwave Guided Wave Lett., vol. 5, pp. 9-11, Jan. 1995.
7. L. Accatino, G. Bertin, and M. Mongiardo, "A four-pole dual mode elliptic filter realized in circular cavity without screws," in IEEE MTT-S Int. Microwave Symp. Dig., 1996, pp. 627-629.
8. _, "Elliptical cavity resonators for dual-mode narrow-band filters," IEEE Trans. Microwave Theory Tech., vol. 45, pp. 2393-2401, Dec. 1997.
9. K. L. Wu, "An optimal circular-waveguide dual-mode filter without tuning screws," IEEE Trans. Microwave Theory Tech., vol. 47, pp. 271-276, Mar. 1999.
10. A. E. Atia and H.-W. Yao, "Tuning and measurement of couplings and resonant frequencies for cascaded resonators," in IEEE MTT-S Int. Microwave Symp. Dig., June 2000, pp. 1637-1640.
11. N. Yoneda and M. Miyazaki, "Analysis and design of grooved circular waveguide dual-mode filters," in IEEE MTT-S Int. Microwave Symp. Dig., May 20-25, 2001, pp. 1791-1794.