75-85 GHz Flip-Chip Phased Array RFIC with Simultaneous 8-Transmit and 8-Receive Paths for Automotive Radar Applications

被引:0
作者
Ku, Bon-Hyun [1 ]
Inac, Ozgur [1 ]
Chang, Michael [1 ]
Rebeiz, Gabriel M. [1 ]
机构
[1] Univ Calif San Diego, La Jolla, CA 92093 USA
来源
2013 IEEE RADIO FREQUENCY INTEGRATED CIRCUITS SYMPOSIUM (RFIC) | 2013年
关键词
Automotive radar; Phased array; SiGe BiCMOS; transmitter; receiver; 77 GHz circuits;
D O I
暂无
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
This paper presents the first simultaneous 8-transmit and 8-receive paths 75-85 GHz phased array RFIC for FMCW automotive radars. The receive path has two separate I/Q mixers each connected to 4-element phased arrays for RF and digital beamforming. The chip also contains a build-in-self-test system (BIST) for the transmit and receive paths. Measurements on a flip-chip prototype show a gain >24 dB at 77 GHz, -25 dB coupling between adjacent channels in the transmit and receive paths (<-45 dB between non-adjacent channels), and <-50 dB coupling between the transmit and receive portions of the chip.
引用
收藏
页码:371 / 374
页数:4
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