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- W2912763856 abstract "A 36-40 GHz 4-element Tx and Rx beamformer chip set for the fifth generation communication millimeter wave (5G mm-Wave) phased-array applications is presented in this paper. The separated Tx/Rx beamformer chips have 4-bit (22.5°) phase control with 25°phase compensation, and 40 dB peak gain per channel with 20 dB gain control. All of the gate biases, gain and phase tuning functions are controlled by the mixed-signal integrated circuits embedded in the chips, programmable by the microcontroller. The chips are fabricated using TSMC 65-nm CMOS process. The measured OPldB per channel of the Tx beamformer is 12 dBm, and NF (noise figure) of the Rx beamformer is 6-9 dB. The Tx/Rx beamformers measurements performed less than 2 dB RMS gain error and 5.5° RMS phase error with 360° phase tuning, and ±5 <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>o</sup> phase variation with 20 dB gain tuning. To the author's knowledge, these chips are the first beamformers in 65-nm CMOS for the FCC 5G mm-Wave 37 GHz (37-38.6 GHz) and 39 GHz (38.6-40 GHz) phased-array applications. This chip set will be the unit cell to be integrated with antenna arrays to construct 32 or 64-element phased-array systems in the near future." @default.
- W2912763856 created "2019-02-21" @default.
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- W2912763856 date "2018-11-01" @default.
- W2912763856 modified "2023-09-26" @default.
- W2912763856 title "36–40 GHz Tx/Rx Beamformers for 5G mm-Wave Phased-Array" @default.
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- W2912763856 doi "https://doi.org/10.23919/apmc.2018.8617146" @default.
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