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Phase velocity equalization in microstrip couplers by partial dielectric overlays
Author(s) -
Kouki Ammar B.,
Khebir Ahmed,
Ghannouchi F. M.
Publication year - 1995
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.4650090507
Subject(s) - dielectric , microstrip , overlay , isotropy , equalization (audio) , electrical impedance , materials science , coupling (piping) , electrical engineering , acoustics , electronic engineering , engineering , optics , optoelectronics , physics , computer science , composite material , channel (broadcasting) , programming language
The effects of a partial isotropic dielectric overlay on the isolation, coupling, and impedance of a microstrip 10‐dB coupler are studied. Results as functions of the overlay's width, height, and dielectric constant are presented. It is found that a better coupler design can be achieved through proper choice of these three parameters. © 1995 John Wiley & Sons, Inc.