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In this paper, we present a new wideband miniature branchline coupler as a key element to be integrated for 60 GHz beamforming networks in phased arrays. Theory and equations as well as a first proof-of-concept at 2.2 GHz are presented. A 25% matching bandwidth (−10 dB), ± 1 dB amplitude imbalance and ± 2° phase imbalance are measured with a reduced footprint. Then, the same coupler topology is optimized...
During past years, various research teams have been implied in the development of 60 GHz chipset solutions, using both BiCMOS or advanced CMOS technologies. But for the 60 GHz market to flourish, not only are low cost RFICs required, but also complete solution including the antenna. In order to address these issues, we review in this paper achievable antenna performance using High Resistivity (HR)...
In this paper, the authors proposed a design of two 60 GHz antennas using a CMOS 130 nm bulk process. First, an inverted-F antenna (IFA) was presented. Then, a meandered dipole is considered. In a third step, the IFA is co-integrated with a single-pole dual-throw (SPDT) CMOS switch specifically designed for transmit/receive features. The Ansoft HFSS, FEM-based 3D full wave solver is used for all the...
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