Circulators Using Planar Triangular Resonators

IEEE Transactions on Microwave Theory and Techniques

Volumn 27, Issue 2, 1979, Pages 188-193

  Helszajn, Joseph ^a   James, David S ^b   Nisbet, W Terence ^a  

^a HERIOT WATT UNIVERSITY   (United Kingdom)

^b Ferranti Ltd   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTROMAGNETIC FIELD THEORY - MATHEMATICAL MODELS; RESONATORS; TELECOMMUNICATION LINES, STRIP;

TRIANGULAR RESONATORS;

WAVEGUIDE COMPONENTS;

EID: 0018430408     PISSN: 00189480     EISSN: 15579670     Source Type: Journal    
DOI: 10.1109/TMTT.1979.1129584     Document Type: Article

References (12)

1. J. G. Leetma, “Ferrite circulator with conductive plate of uniform thickness having tapered angular apexes for broad banding,” u.s. Patent no. 3 104 361, Sept. 17, 1963.
2. F. M. Aitken and R. McLean, “Some properties of the waveguide Y circulator,” Proc. Inst. Elec. Eng., vol. 110, no. 2, Feb. 1963.
3. Y. Akaiwa, “Operation modes of a waveguide y-circulator,” IEEE Trans. Microwave Theory Tech., vol. MTT-22, pp. 954-959, Nov. 1974.
4. Y. Akaiwa, “Mode classification of a triangular ferrite post for y-circulator,” IEEE Trans. Microwave Theory Tech., vol. MTT-25, pp. 59-61, Jan. 1977.
5. Western Microwave, California, private communication.
6. C. E. Fay and R. L. Comstock, “Operation of the ferrite junction circulator,” IEEE Trans. Microwave Theory Tech., vol. MTT-13, pp. 15-27, Jan. 1965.
7. J. Helszajn and D. S. James, “Planar triangular resonators with magnetic walls,” IEEE Trans. Microwave Theory Tech., vol. MTT-26, pp. 95-100, Feb. 1978.
8. A. G. Medoks, “Design of a waveguide Y-circulator,” Telecommun. Radio Eng., vol. 22, pt. 2, no. 9, Sept. 1967.
9. N. Ogasawara and T. Noguchi, “Model analysis of dielectric resonator of the normal triangular cross-section,” presented at the 1974 Ann. Nat. Conv. Inst. Elec. Eng., Japan, Mar. 28, 1974.
10. Schelkunoff, Electromagnetic Waves. New York: Van Nostrand, 1943, p. 393.
11. J. Helszajn, Non-Reciprocal Microwave Junctions and Microwave Circulators. New York: Wiley Interscience, 1975.
12. H. Bosma, “On stripline circulation at UHF,” IEEE Trans. Microwave Theory Tech., vol. MTT-12, pp. 61-72, Jan. 1964.