Compact Folded Line Rat-Race Hybrid Couplers

IEEE Microwave and Guided Wave Letters

Volumn 10, Issue 2, 2000, Pages 61-63

  Settaluri, Raghu K ^a   Sundberg, G ^a   Weisshaar, A ^a   Tripathi, V K ^a  

^a Oregon State University   (United States)

Author keywords

Coupled transmission lines; embedded passives; rat race hybrid couplers

Indexed keywords

COMPUTER SIMULATION; TRANSMISSION LINE THEORY;

FOLDED LINE STRUCTURES; RAT-RACE HYBRID COUPLERS;

WAVEGUIDE COUPLERS;

EID: 0033687297     PISSN: 10518207     EISSN: None     Source Type: Journal    
DOI: 10.1109/75.843101     Document Type: Article

References (8)

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3. D. I. Kim and G. S. Yang, “Design of new hybrid-ring directional coupler usingλ/8 or λ/6 section,” IEEE Trans. Microwave Theory Tech., vol. 39, pp. 1779-1783, Oct. 1991.
4. M. H. Murgulescu, E. Penard, and I. Zaquine, “Design formulas for generalized 180 hybrid ring couplers,” Electron. Lett., vol. 30, pp. 573-574, Mar. 1994.
5. J. L. B. Walker, “Improvements to the design of the 0-180 rat-race coupler and its application to the design of balanced mixers with high LO to RF isolation,” in IEEE MTT-S Int. Microwave Symp., June 1997, pp. 747-750.
6. C. Y. Chang and C. C. Yang, “A novel broad-band Chebyshev-response rat race ring coupler,” IEEE Trans. Microwave Theory Tech., vol. 47, pp. 455-462, Apr. 1999.
7. R. K. Settaluri, A. Weisshaar, C. Lim, and V. K. Tripathi, “Compact multi-level folded coupled line RF couplers,” in IEEE MTT-S Int. Microwave Symp., June 1999, pp. 1721-24.
8. R. K. Settaluri, A. Weisshaar, C. Lim, and V. K. Tripathi, “Design of compact multi-level folded line RF couplers,” IEEE Trans. Microwave Theory Tech., vol. 47, pp. 2331-2339, Dec. 1999.