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A continuously steerable array antenna using movable dielectric slabs on a coplanar waveguide
Author(s) -
Cha Junho,
Kuga Yasuo,
Lee Sangil
Publication year - 2006
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.21920
Subject(s) - coplanar waveguide , phase shift module , antenna (radio) , dielectric , slab , microwave , optics , impedance matching , materials science , electrical impedance , phase (matter) , waveguide , antenna array , reflection (computer programming) , engineering , electrical engineering , optoelectronics , telecommunications , physics , computer science , structural engineering , quantum mechanics , programming language
A simple steerable array antenna is designed using a movable dielectric phase shifter. The change of the effective dielectric constant at different dielectric slab positions on a coplanar waveguide is used as the phase shifter. The impedance matching and desired phase shift conditions are satisfied at two slab heights, and reflection is designed to be minimized at all slab positions. A four‐element steerable array antenna at 5.8 GHz is fabricated and measured for testing purposes. © 2006 Wiley Periodicals, Inc. Microwave Opt Technol Lett 48: 2222–2227, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21920