A 4-element 60-GHz CMOS phased-array receiver with transformer-based hybrid-mode mixing and closed-loop beam-forming calibration

Abstract

A 4-element 60-GHz phased-array receiver employs transformer-based hybrid-mode mixing featuring high linearity and high gain. Closed-loop beam-forming calibration is achieved by sequentially performing gain equalization, I/Q calibration, and successive-approximation phase tuning. Implemented in 65nm CMOS, each element measures NF of 6.5dB, gain of 20dB and… (More)

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