Broad-Band Directional Couplers Using Microstrip with Dielectric Overlays

IEEE Transactions on Microwave Theory and Techniques

Volumn 22, Issue 12, 1974, Pages 1216-1220

  Sheleg, Boris ^a   Spielman, Barry E ^a  

^a NAVAL RESEARCH LABORATORY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRIC PHASE SHIFTERS; TELECOMMUNICATION LINES, STRIP - COMPONENTS;

DIRECTIONAL COUPLERS; MICROWAVE INTEGRATED CIRCUITS;

MICROWAVE DEVICES;

EID: 0016338451     PISSN: 00189480     EISSN: 15579670     Source Type: Journal    
DOI: 10.1109/TMTT.1974.1128466     Document Type: Article

References (11)

1. L. Young, Ed., Advances in Microwaves, vol. 1. New York: Academic, 1966, pp. 186–188.
2. B. E. Spielman, “The development of a 20 dB directional coupler for MIC applications,” presented at the 1973 IEEE G-MTT Int. Microwave Symp., Univ. of Colorado, Boulder, June 4–6, 1973.
3. M. K. Krage and G. I. Haddad “Frequency-dependent characteristics of microstrip transmission lines,” IEEE Trans. Microwave Theory Tech., vol. MTT-20, pp. 678–688, Oct. 1972.
4. R. R. Weirather “A small MIC coupler with good directivity,” IEEE Trans. Microwave Theory Tech. (Lett.), vol. MTT-22, pp. 70–71, Jan. 1974.
5. Y. S. Lee “Mode compensation applied to parallel-coupled microstrip directional filter design,” IEEE Trans. Microwave Theory Tech. (Short Papers), vol. MTT-22, pp. 66–69, Jan. 1974.
6. C. Buntschuh, “Octave-bandwidth microstrip,” RADC-TR-73-396, Contract F30602-72-C-0282, AD 777320, Jan. 1974.
7. G. Hautp and H. Delfts, “High-directivity microstrip directional couplers,” Electron. Lett., vol. 10, pp. 142–143, May 2, 1974.
8. K. C. Wolters, P. L. Clar, and C. W. Stiles, “Analysis and experimental evaluation of distributed overlay structures in microwave integrated circuits,” in Proc. 1968 IEEE G-MTT Int. Microwave Symp. (Detroit, Mich.), May 20–22, 1968, pp. 123–130.
9. B. E. Spielman, “Analysis of electrical characteristics of edge-coupled microstrip lines with a dielectric overlay,” Naval Res. Lab., Washington, D. C., NRL Formal Rep. 7810, to be published.
10. R. Levy “Tables for asymmetric multi-element coupled-transmission-line directional couplers,” IEEE Trans. Microwave Theory Tech., vol. MTT-12, pp. 275–279, May 1964.
11. D. Kelley, A. G. Kramer, and F. G. Willwerth “Microstrip filters and couplers,” IEEE Trans. Microwave Theory Tech. (Corresp.), vol. MTT-16, pp. 560–562, Aug. 1968.