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A Scalable 6-to-18 GHz Concurrent Dual-Band Quad-Beam Phased-Array Receiver in C
一款6至18 GHz可扩展的并发双频四波束相控阵接收器，采用130nm CMOS工艺实现。
16至24 dB转换增益，48 dB交叉频带抑制，63 dB交叉极化抑制，0.5° RMS相位误差，0.4 dB幅度变化
CMOS相控阵多波束双频可扩展
▸创新点1：系统创新 - 采用130nm CMOS工艺实现6至18 GHz宽带集成相控阵接收机，支持大规模扩展至10^3元素级系统，解决了传统相控阵在高频段扩展性差的问题。
▸创新点2：方法创新 - 通过数字相位旋转器在LO路径实现相位调整，全频段RMS相位误差仅0.5°，幅度变化0.4 dB，显著提升多波束并发精度（48 dB交叉抑制）。
▸创新点3：架构创新 - 首创双频段四波束并发架构，在6-18 GHz范围内同时形成4个独立波束，实测波束峰值-零值比达21.5 dB，突破传统单频段限制。
▸创新点4：电路创新 - 采用跨极化抑制技术实现63 dB隔离度，结合16-24 dB可调增益范围，在CMOS工艺上达成军用级射频性能指标。
Abstract
g, Student Member , IEEE , Hua Wang,
Florian Bohn, Student Member , IEEE, Arun Natarajan, Aydin Babakhani , Member , IEEE, and
Ali Hajimiri, Member , IEEE
Abstract—This paper reports a 6-to-18 GHz integrated phased-
array receiver implemented in 130-nm CMOS. The receiver is
easily scalable to build a very large-scale phased-array system.
It concurrently forms four independent beams at two different
frequencies from 6 to 18 GHz. The nominal conversion gain
of the receiver ranges from 16 to 24 dB