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New coplanar waveguide feed network for 2 × 2 linearly tapered slot antenna subarray
Author(s) -
Simons Rainee N.,
Perl Thomas D.,
Lee Richard Q.
Publication year - 1992
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.4650050907
Subject(s) - coplanar waveguide , slot antenna , power dividers and directional couplers , antenna (radio) , return loss , optics , power (physics) , electrical engineering , radiation pattern , wilkinson power divider , materials science , optoelectronics , physics , engineering , telecommunications , frequency divider , microwave , quantum mechanics
A new technique for exciting 2 × 2 subarray of linearly tapered slot antennas (LTSAs) with coplanar waveguide (CPW) is presented. rf power is coupled to each element through a CPW‐to‐slotline transition by a coax‐to‐CPW in‐phase four‐way radial power divider. The transition and the power divider are coupled by a novel nonplanar CPW right‐angle bend. Measured results at 18 GHz show excellent radiation patterns and return‐loss characteristics. © 1992 John Wiley & Sons, Inc.
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