A Ka-Band Fully Integrated CMOS 1T3R Transceiver for Monopulse Radar Applications

IF 4.9 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Circuits and Systems II: Express Briefs Pub Date : 2025-07-28 DOI:10.1109/TCSII.2025.3593382

Peng Gu;Enqi Zheng;Xiaofei Liao;Hengzhi Wan;Chenyu Xu;Pengfei Diao;Huiqi Liu;Dixian Zhao

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Abstract

Emerging low-altitude airspace economy has driven the development of high-resolution wireless sensors. Dedicated for the Ka-band monopulse radar applications, the design of a highly integrated 1T3R transceiver is detailed in this brief. The heterodyne transceiver incorporates full radio frequency (RF), intermediate frequency (IF) and local oscillator (LO) building blocks, supporting complete monopulse detection in azimuth and elevation. The calibration mode is introduced to enable system-level instant calibrations for enhanced detection accuracy. Dual injection style of the LO source facilitates the cascade of multiple chips for large-scale sensing systems. Fabricated in 65-nm CMOS technology and packaged with the wafer-level chip-scale packaging, the transceiver achieves the peak RX/TX gain of 18.4/33.2 dB across 32–36 GHz, with a minimum RX NF of 5.7 dB and peak saturated TX power of 15.6 dBm. The high integration level and flexible configuration of the transceiver make it suitable for Ka-band monopulse radar applications.

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用于单脉冲雷达的ka波段全集成CMOS 1T3R收发器

新兴的低空空域经济推动了高分辨率无线传感器的发展。专为ka波段单脉冲雷达应用，高度集成的1T3R收发器的设计在本简报中详细介绍。外差收发器集成了全射频（RF），中频（IF）和本振（LO）构建模块，支持方位角和仰角的完整单脉冲检测。引入校准模式以实现系统级即时校准，以提高检测精度。LO源的双注入方式便于大规模传感系统的多芯片级联。该收发器采用65纳米CMOS工艺，采用晶圆级芯片级封装，在32-36 GHz范围内实现了18.4/33.2 dB的峰值RX/TX增益，最小RX NF为5.7 dB，峰值饱和TX功率为15.6 dBm。收发器的高集成度和灵活配置使其适合于ka波段单脉冲雷达应用。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Circuits and Systems II: Express Briefs 工程技术-工程：电子与电气

CiteScore

7.90

自引率

20.50%

发文量

883

审稿时长

3.0 months

期刊介绍： TCAS II publishes brief papers in the field specified by the theory, analysis, design, and practical implementations of circuits, and the application of circuit techniques to systems and to signal processing. Included is the whole spectrum from basic scientific theory to industrial applications. The field of interest covered includes: Circuits: Analog, Digital and Mixed Signal Circuits and Systems Nonlinear Circuits and Systems, Integrated Sensors, MEMS and Systems on Chip, Nanoscale Circuits and Systems, Optoelectronic Circuits and Systems, Power Electronics and Systems Software for Analog-and-Logic Circuits and Systems Control aspects of Circuits and Systems.