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该论文提出了一种E波段高线性天线-LNA前端,通过多馈电片上天线噪声抵消技术,实现了4.8dB的噪声系数和2.2dBm的IIP3,解决了传统前端设计中天线与电路分离导致的性能瓶颈。
paradigm to advance front-end innovations and performance beyond electronics-only designs. Instead of being viewed as single-port 50Ω radiation loads, antennas are perceived as multi-feed passive networks interfacing with front-end circuits, so that optimum near-field I/V distributions are actively synthesized for desired far-field radiations. Moreover, antenna-electronics co-designs can be exploited for various on-antenna signal conditioning capabilities, such as power combining, active load modulation, polarization duplexing, and harmonic terminations [1-5]. This concept particularly benefits mm-Wave front-ends, due to compact on-chip antennas and intimate interfaces with electronics, and the resultant radical improvements are
Sensen Li1, Taiyun Chi1,2, Doohwan Jung1, Tzu-Yuan Huang1,
Min-Yu Huang1, Hua Wang1 Georgia Institute of Technology, Atlanta, GA Rice University, Houston, TX 1 2 Merging antennas with front-end circuits creates a new design