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Towards the automation alignment of millimeter wave antennas for 120-GHz-band wireless systems, an alignment control system using beam-tilting 1-D arrays for a 120-GHz-band corporate-feed 2-D waveguide-slot array antenna has been examined. Beam-tilting 1-D arrays detect the angular deviation in the range of ± 5 degrees, and ensure that it automatically corrects the antenna orientation towards the...
The modeling of subminiature version A (SMA) connectors is occasionally neglected when simulating microwave components or when an approximated model is used to represent its characteristics. In this article, SMA connector modeling is investigated and an appropriate simulation modeling is discussed. It was observed that modeling the inner part of the SMA connector using the coaxial cable model is adequate...
We have proposed to place an RF circuit and an antenna on each side of a silicon chip in the 60 GHz band, respectively, and to connect between them with low loss by a coaxial-line structure using a hole opening in the chip. In this paper, we fabricate a 2×2 circularly polarized patch array in an area of 5 mm square on a silicon chip and have coaxial-line connection with a separated quadrature oscillator...
We proposed a patch antenna placed on a thick resin layer on the opposite side of a CMOS RF circuit in a silicon chipand fed through a hole with coaxial-line structurein the 60GHz band. The thick resin layer of 200 μm thickness can enhance the radiation efficiency. The connection loss between the antenna and the RF circuit is expected to be small. In this paper, we design and fabricate a patch antenna...
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