An Improved Dual-Mode Microstrip Ring Resonator Filter with Simple Geometry

1994 24th European Microwave Conference, EUMA 1994

Volumn 1, Issue , 1994, Pages 472-477

  Karacaoglu, U ^a   Robertson, I D ^a   Guglielmi, M ^b  

^a KING'S COLLEGE LONDON   (United Kingdom)

^b EUROPEAN SPACE AGENCY   (Netherlands)

Author keywords

[No Author keywords available]

Indexed keywords

BANDPASS FILTERS; INSERTION LOSSES; MICROWAVE FILTERS; OPTICAL RESONATORS;

3 DB BANDWIDTH; FABRICATION TOLERANCES; MEASURED RESULTS; MICROSTRIP RING RESONATOR; RING RESONATOR; SIMPLE GEOMETRIES; TRANSMISSION POLES; TRANSMISSION ZEROS;

MICROSTRIP FILTERS;

EID: 85027152244     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/EUMA.1994.337254     Document Type: Conference Paper

References (8)

1. P. Troughton, "High Q-factor resonators in microstrip", Electron. Lett., 4, No.24, 29 Nov. 1968 pp. 520-522
2. P. Troughtoni, "Measur-ement technique in microstrip", Electron. Lett., 5, 1969, pp. 25-26
3. Y.S. Wu and F.J. Rosenbaum, "Mode chart for microstrip Ring Resonators", IEEE Trans. Microwave Theory Tech., July 1973, pp.487-489.
4. I. Wolff, "Microwave Bandpass Filter Using Degenerate Modes of a Microstrip Ring Resonators ", Electron. Lett., 1972, pp.163-164.
5. T. Scott, F. Wang and K. Chang, "Theoretical and Experimental Investigation of Novel Varactor-Tuned Switchable Microstrip Ring Resonator Circuits", IEEE Trans. Microwave Theory Tech., Vol. MTT-36, No.12, December 1988, pp.1733-1739.
6. M. Makimoto and M. Sagawa, "Varactor Tuned Bandpass Filters Using Microstrip-Line Ring Resonators", IEEE MTT lntemnational Symposium Digest, 1986, pp.411-414.
7. M. Guglielmi and G. Gatti, "Expelimental Investigation of Dual-Mode Microstrip Ring Resonators", Proceedings of the 20th European Microwave Conference, Budapest, Sept 1990, pp.901 -906.
8. U. Karacaoglu, I. D. Robertson, and M. Guglielmi, "Dual-Mode Microstrip Ring, Resonator Filter with Active Devices for Loss Compensation", IEEE International Microwave Symposium, Atlanta, June 1993.