A high directivity coupler design using an inductive compensation technique

Asia-Pacific Microwave Conference Proceedings, APMC

Volumn 5, Issue , 2005, Pages

  Phromloungsri, R ^a,b   Chongcheawchamnan, M ^a  

^a Research Center of Electromagnetic Wave Applications (RCEWs)   (Thailand)

^b MAHANAKORN UNIVERSITY OF TECHNOLOGY   (Thailand)

Author keywords

Directivity enhancement; Inductive compensation; Microstrip coupled lines

Indexed keywords

DIRECTIONAL PATTERNS (ANTENNA); MACHINE DESIGN; NATURAL FREQUENCIES;

DIRECTIVITY COUPLERS; DIRECTIVITY ENHANCEMENT; INDUCTIVE COMPENSATION; MICROSTRIP PARALLEL COUPLERS; PHASE VELOCITY;

MICROSTRIP DEVICES;

EID: 33847205352     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/APMC.2005.1606938     Document Type: Conference Paper

References (10)

1. S. L. March, "Phase velocity compensation in parallel-coupled microstrip" MTT-S Digest, pp. 410-412, June, 1982.
2. R. J. Wenzel and W. O. Erlinger, "Problems in microstrip filter design", IEEE MTT-S Digest, pp. 203-205, 1981.
3. I. J. Bahl, "Capacitively compensated high performance parallel coupled microstrip filter", IEEE MTT-S Digest, pp. 679-682, 1989.
4. A. Podell: "A high directivity microstrip coupler technique", IEEE MTT-S Digest, pp. 33-56, May, 1970.
5. C. S. Kim, Y. T. Kim, S. H. Song, W. S. Jung, K. Y. Kang, J. S. Park, and D. Ahn, "A design of microstrip directional coupler for high directivity and tight coupling", GAAS, September 2001.
6. A. Riddle, "High performance parallel coupled microstrip filter", IEEE MTT-S Digest, pp. 427-430, 1988.
7. C. A. Desoer, Basic circuit theory, McGraw-Hill, pp. 409-469, 1966.
8. C. Y. Ng, M. Chongcheawchamnan, and I. D. Robertson, "Analysis and design of a high-performance planar marchand balun", IEEE MTT-S Digest, pp. 113-116, 2002.
9. V. K. Tripathi, "Asymmetric coupled transmission lines in an inhomogeneous medium", IEEE Trans. Microwave Theory Tech., vol.23, no. 9, pp. 734-739, 1975.
10. G. I. Zysman and A. K. Johnson, "Coupled transmission line networks in an inhomogeneous dielectric medium", IEEE Trans. Microwave Theory Tech., vol. 17, no.10, pp. 753-759, 1969.