A 60-GHz 8-Way Phased-Array Front-End With T/R Switching and Calibration-Free Beamsteering in 28-nm CMOS

被引：39

作者：

Khalaf, Khaled ^{[1
]}

Vaesen, Kristof ^{[2
,3
]}

Brebels, Steven ^{[4
]}

Mangraviti, Giovanni ^{[5
]}

Libois, Michael ^{[1
]}

Soens, Charlotte ^{[1
]}

Van Thillo, Wim ^{[1
]}

Wambacq, Piet ^{[6
,7
]}

机构：

[1] IMEC, Leuven, Belgium

[2] IMEC, High Dens Interconnect & Syst Packaging Grp, Leuven, Belgium

[3] IMEC, Millimeter Wave Design Grp, Leuven, Belgium

[4] IMEC, Millimeter Circuits & Antennas Commun & Sensing A, Leuven, Belgium

[5] IMEC, Millimeter Wave Team, Leuven, Belgium

[6] IMEC, RF CMOS Design Wireless Applicat, B-3001 Heverlee, Belgium

[7] Vrije Univ Brussel, Dept ETRO, B-1050 Brussels, Belgium

来源：

IEEE JOURNAL OF SOLID-STATE CIRCUITS | 2018年 / 53卷 / 07期

关键词：

Low-noise amplifiers (LNAs); millimeter-wave communication; millimeter-wave integrated circuits; noise figure (NF); phase shifter (PS); phased arrays; power amplifiers; transmit/receive (T/R) switch; wireless;

D O I：

10.1109/JSSC.2018.2822676

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An eight-way phased-array TRX front-end with RF phase shifting and on-chip transmit/receive switching is implemented in 28-nm CMOS. The TX P-1dBout and RX noise figure (NF) are 10 dBm and 6.8 dB, respectively. The active phase shifter shows less than 5 degrees phase resolution and amplitude errors within +/- 0.35 dB. The 9.6-mm(2) chip consumes 231 mW in RX and 508 mW in the TX mode from a 0.9-V supply. When combined with PCB antennas, a +/- 46 degrees scan angle is obtained with <0.4 dB peak-to-peak gain ripples without calibration. We also present an approach to express the noise performance of a phased-array receiver in terms of the effective isotropic NF, as an extension to the NF, which is only defined for a two-port system.

引用

页码：2001 / 2011

页数：11

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