4×4 butler matrix beam forming network using novel reduced size branchline coupler

2001 31st European Microwave Conference, EuMC 2001

Volumn , Issue , 2001, Pages

  Kwang, T K Gary ^a   Gardner, Peter ^a  

^a UNIVERSITY OF BIRMINGHAM   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BUTLER MATRIX;

BRANCH LINE COUPLERS; COUPLING LOSS; LOW COSTS; REDUCED SIZE; RETURN LOSS; SIZE REDUCTIONS;

DIRECTIONAL COUPLERS;

EID: 84897553547     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/EUMA.2001.339049     Document Type: Conference Paper

References (10)

1. D. K Paul, P. Gardner, B. Y Prasetyo, "Broadband Branch-line Coupler for S Band", July 1991, Electronics Letters, Vol. 27,no. 15
2. P. Gardner, "Reduced Size Impedance Transforming Branch Line Couplers-Design Principles and Applications", Sept. 1998, Microwave & RF Conference, Wembley, pp. 92-97
3. I. Sakagami, M. Haga and T. Munehiro, "Reduced branch-line coupler using eight two-step stubs", December 1999, IEE Proc-Microw, Antennas Propag. Vol. 164, No. 6, pp. 455-460
4. M. Gillick, I. D. Robertson, J. S. Joshi, "Design and Realisation of Reduce-Size Impedance Transforming Uniplanar MMIC Branch-line Coupler", July 1992, Electronic Letters, Vol. 28, pp. 1555-1557
5. I. Toyoda, T. Hirota, T. Hiraoka, T. Tokumitsu,"Multilayer MMIC Branch-line coupler and broad-side coupler", 1992, IEEE Microwave and Millimeter-Wave Monolithic Circuits Symposium, Digest papers, Page 79-82
6. Moody H. J,:' The systematic design of the Butler Matrix', 1964, IEEE Trans, AP-II, pp786-788
7. Macnamara T.: 'Simplified design procedures for Butler matrices incorporating 90 degree hybrids or 180 degree hydrids', February 1987, IEE Proceedings, Vol. 1134, Pt H, no. 1
8. A. Angelucci, P. Audagnotto, P. Corda, F. Piarulli, B. Piovano, " Evolution of Microstrip Components for Mobile Communication Systems", April 1994, 3rd Annual International Conf. on Universal Personal Communications, 0-7803-1823, ppl6-20
9. R. Comitangelo, D. Minervini, B. Puiovano, "Beam Forming Networks of Optimum Size and Compactness for Multibeam Antenna at 900MHz", March 1997, Antenna & Propagation Society International Symposium, IEEE, 0-7803-417, Vol. 14, pp. 2127-2130
10. "Microwave OfficeTM XL version number 2. 66", Applied Wave Research, Inc.