d波段全集成2-RX, 1-TX FMCW雷达传感器,输出功率13dBm

M. Furqan, Faisal Ahmed, A. Stelzer
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引用次数: 4

摘要

本文提出了一种工作在d波段的全集成调频连续波雷达收发机。收发机配备有两个接收器和一个发射器。发射器基于高速正交相移键控调制器,两个接收器中的每一个都基于全差分I/Q接收器。雷达传感器可以在单输入多输出配置中操作,以执行多普勒,范围和角度测量。发射机和两个接收机的d波段正交信号使用基于传输在线的混合耦合器产生。收发器采用$\ × 6$倍频链,具有最先进的功率附加效率和转换增益,分别为3%和27dB。发射机在122GHz时的测量峰值输出功率约为13dBm,这是硅基d波段雷达传感器的最高报告功率。接收器设计为能够承受高发射机泄漏信号,并提供约14dB的测量转换增益。整个收发器工作在1.8V和3.3V电源电压下,直流功耗为1.2W。芯片尺寸为3mm × 3mm。
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A D-band Fully-Integrated 2-RX, 1-TX FMCW Radar Sensor with 13dBm Output Power
In this paper, we present a fully-integrated frequency-modulated continuous-wave radar transceiver working in the D-band. The transceiver is equipped with two receivers and one transmitter. The transmitter is based on a high-speed quadrature-phase-shift-keying modulator and each of the two receivers is based on a fully-differential I/Q receiver. The radar sensor can be operated in a single-input multiple-output configuration to perform Doppler, range, and angular measurements. The D-band quadrature signals for the transmitter and the two receivers are generated using transmission-line based hybrid couplers. The transceiver utilizes a $\times 6$ frequency multiplier chain with state-of-the-art power-added-efficiency and conversion gain of 3% and 27dB, respectively. The transmitter has a measured peak output power of around 13dBm at 122GHz, which is the highest reported power for Si-based D-band radar sensors. The receivers are designed to be tolerant to high transmitter leakage signals and provide a measured conversion gain of around 14dB. The entire transceiver runs on 1.8V and 3.3V supply voltage has a DC power consumption of 1.2W. The chip size is 3mm $\times 3$ mm.
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