Journal
JOURNAL OF ELECTROMAGNETIC WAVES AND APPLICATIONS
Volume 30, Issue 18, Pages 2365-2389Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09205071.2016.1250679
Keywords
Artificial magnetic conductors; directive antennas; scanning arrays; mm-wave technology; array combiners; in-package integration; 60GHz integrated arrays; low-profile dipole antenna
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We present a low-profile design of dipole antenna arrays integrated on a planar artificial magnetic conductor (AMC) based on spiral unit cells. The whole system is designed and manufactured on a multi-layer organic laminate packaging technology and can be integrated with a single-chip 60-GHz radio transceiver die. We analyze two fabricated arrays of different total area both of which contain 16 elements fed through a combiner network exciting the array elements either in phase or for 45 degrees scan angle. The integrated antenna-AMC array element presented has twice the impedance bandwidth necessary to cover all international 60-GHz radio bands, small form factor suitable for on-package integration, and 5 dBi gain including all losses. The larger 16-element array, occupying 11x11mm(2) package area, has a measured gain of 17 dBi at broadside and 15dBi at 45 degrees scan angle, while the smaller array, occupying a 6.6x11mm(2) package area, has a gain of 15dBi at broadside and 14 dBi at a 45 degrees scan angle. These arrays are an ideal 3D-integrated package solution for 60GHz radio transceivers.
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