A 60GHz 8-way phased array front-end with TR switching and calibration-free beamsteering in 28nm CMOS.

Khaled Khalaf,Kristof Vaesen,Steven Brebels,Giovanni Mangraviti,Michael Libois,Charlotte Soens,Piet Wambacq

ESSCIRC 2017 - 43RD IEEE EUROPEAN SOLID STATE CIRCUITS CONFERENCE（2017）

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摘要

An 8-way phased array TRX front-end with RF phase shifting and on-chip TR switching is implemented in 28nm CMOS . The TX OP1dB and RX NF are 10dBm and 6.8dB, respectively. The active phase shifter shows less than 5 degrees phase resolution and amplitude errors within +/- 0.35dB. The 9.6mm(2) chip consumes 231mW in RX and 508mW in TX mode from a 0.9 V supply. When combined with PCB antennas, a +/- 46 degrees scan angle is obtained with < 0.4dB peak-to-peak gain ripples without calibration.

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关键词

active phase shifter,calibration-free beamsteering,8-way phased array TRX front-end,on-chip TR switching,RF phase shifting,frequency 60.0 GHz,size 28.0 nm,power 231.0 mW,noise figure 6.8 dB,power 508.0 mW,voltage 0.9 V

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