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Waveguide endwall coupler‐fed microstrip patch array antenna
Author(s) -
Choi SeHwan,
Lee JaeYoung
Publication year - 2011
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.25794
Subject(s) - beamwidth , microstrip , microwave , microstrip antenna , bandwidth (computing) , patch antenna , hybrid coupler , slotted waveguide , waveguide , antenna array , power dividers and directional couplers , optics , extremely high frequency , materials science , antenna (radio) , electrical engineering , physics , engineering , slot antenna , telecommunications
In this letter, we present the 2 by 1 and 2 by 2 array microstrip patch antennas using the waveguide endwall coupler at 24 GHz. These antennas consist of a waveguide feed and two or four patches that are excited by the endwall coupler. As the measured results, the 2 by 2 array antenna has the gain of 10.7 dBi and the bandwidth of 1.3 GHz, and half power beamwidth is 31° on the E ‐plane and 35° on the H ‐plane. Because this transition technique is very simple and easy to fabricate, it can be used for low cost and high volume production for commercial millimeter‐wave applications. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:630–633, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25794

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