Modified vertically installed planar couplers for ultrabroadband multisection quadrature hybrid

IEEE Microwave and Wireless Components Letters

Volumn 16, Issue 8, 2006, Pages 446-448

  Chen, Hui Chun ^b   Chang, Chi Yang ^a,b  

^a IEEE   (Taiwan)

^b NATIONAL CHIAO TUNG UNIVERSITY   (Taiwan)

Author keywords

Modified vertically installed planar (VIP) coupler; Multisection hybrid; Quadrature hybrid; VIP coupled line

Indexed keywords

MODIFIED VERTICALLY INSTALLED PLANAR (YIP) COUPLERS; MULTISECTION HYBRID; QUADRATURE HYBRID; VIP COUPLED LINES;

ELECTRIC CONNECTORS; ELECTRIC NETWORK ANALYSIS; MICROSTRIP LINES; MODAL ANALYSIS; PHASE MEASUREMENT; PRINTED CIRCUIT BOARDS;

BROADBAND NETWORKS;

EID: 33746865614     PISSN: 15311309     EISSN: None     Source Type: Journal    
DOI: 10.1109/LMWC.2006.879491     Document Type: Article

References (9)

1. Y. Konishi, I. Awai, Y. Fukuoka, and M. Nakajima, "A directional coupler of a vertically installed planar circuit structure," IEEE Trans. Microw. Theory Tech., vol. MTT-36, no. 6, pp. 1057-1063, Jun. 1988.
2. C. Zhao and I. Awai, "Application of the finite difference techniques to the compensated VIP 3 dB directional coupler," IEEE Trans. Microw. Theory Tech., vol. 44, no. 11, pp. 2045-2052, Nov. 1996.
3. J. Lange, "Interdigitated stripline quadrature hybrid," in IEEE MTT-S Int. Dig., May 1969, vol. 69, no. 1, pp. 10-13.
4. S. L. March, "Phase velocity compensation in parallel-coupled microstrip," in IEEE MTT-S Int. Dig., Jun. 1982, vol. 82, no. 1, pp. 410-412.
5. S. B. Cohn, "The re-entrant cross section and wide-band 3-dB hybrid couplers," IEEE Trans. Microw. Theory Tech., vol. MTT-11, no. 4, pp. 254-258, Jul. 1963.
6. B. Sheleg and B. E. Spielman, "Broad-band directional couplers using microstrip with dielectric overlays," IEEE Trans. Microw. Theory Tech., vol. MTT-22, no. 12, pp. 1216-1220, Dec. 1974.
7. C. Buntschuh, "High directivity microstrip couplers using dielectric overlays," in IEEE MTT-S Int. Dig., May 1975, vol. 75, no. 1, pp. 125-128.
8. J. L. Klein and K. Chang, "Optimum dielectric overlay thickness for equal even- and odd- mode phase velocities in coupled microstrip circuits," Electron. Lett., vol. 26, pp. 274-276, 1990.
9. E. G. Cristal and L. Young, "Theory and tables of optimum symmetrical tem-mode coupled transmission line directional couplers," IEEE Trans. Microw. Theory Tech., vol. MTT-13, no. 5, pp. 544-558, Sep. 1965.