Compact wide-band branch-line hybrids

IEEE Transactions on Microwave Theory and Techniques

Volumn 54, Issue 2, 2006, Pages 704-709

  Chun, Young Hoon ^a,b   Hong, Jia Sheng ^a,b  

^a IEEE   (United Kingdom)

^b HERIOT WATT UNIVERSITY   (United Kingdom)

Author keywords

Branch line; Broad band; Couplers; Hybrids; Lumped distributed elements; Microstrip line; Planar circuits

Indexed keywords

BRANCH-LINE; BROAD-BAND; COUPLERS; HYBRIDS; LUMPED DISTRIBUTED ELEMENTS; PLANAR CIRCUITS;

BANDWIDTH; COST EFFECTIVENESS; LUMPED PARAMETER NETWORKS; MICROSTRIP LINES; NETWORKS (CIRCUITS);

ELECTRIC CONNECTORS;

EID: 33144470741     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2005.862657     Document Type: Article

References (10)

1. J. Lange, "Interdigitated strip-line quadrature coupler," IEEE Trans. Microw. Theory Tech., vol. MTT-17, no. 12, pp. 1150-1151, Dec. 1969.
2. G. Carchon, W. De Raedt, and B. Nauwelaers, "Integration of CPW quadrature couplers in multilayer thin-film MCM-D," IEEE Trans. Microw. Theory Tech., vol. 49, no. 10, pp. 1770-17776, Oct. 2001.
3. D. P. Andrews and C. S. Aitchison, "Wide-band lumped-element quadrature 3-dB coupler in microstrip," IEEE Trans. Microw. Theory Tech., vol. 48, no. 12, pp. 2424-2431, Dec. 2000.
4. Y.-C. Chiang and C.-Y. Chen, "Design of a wide-band lumped-element 3-dB quadrature coupler," IEEE Trans. Microw. Theory Tech., vol. 49, no. 3, pp. 476-479, Mar. 2001.
5. R. W. Vogel, "Analysis and design of lumped- and lumped-distributed-element directional couplers for MIC and MMIC applications," IEEE Trans. Microw. Theory Tech., vol. 40, no. 2, pp. 253-262, Feb. 1992.
6. K. W. Eccleston and S. H. Ong, "Compact planar microstripline branch-line and rat-race couplers," IEEE Trans. Microw. Theory Tech., vol. 51, no. 10, pp. 2119-2125, Oct. 2003.
7. H. Ghali and T. A. Moselhy, "Miniaturized fractal rat-race, branch-line, and coupled-line hybrids," IEEE Trans. Microw. Theory Tech., vol. 52, no. 11, pp. 2513-2520, Nov. 2004.
8. Y.-H. Chun and J.-S. Hong, "Design of a compact broad-band branch-line hybrid," presented at the IEEE MTT-S Int. Microw. Symp. Dig., Long Beach, CA, Jun. 2005.
9. J.-S. Hong and M. J. Lancaster, Microstrip Filters for RF/Microwave Applications. New York: Wiley, 2001, ch. 4, pp. 93-102.
10. M. Muracuchi, T. Yukitake, and Y. Naito, "Optimum design of 3-dB branch-line couplers using microstrip lines," IEEE Trans. Microw. Theory Tech., vol. MTT-31, no. 8, pp. 674-678, Aug. 1983.