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一款针对Sub-6G应用、具备本振重叠抑制与1.08 dB噪声系数恶化的混频器优先型接收机前端

A Sub-6G Mixer First RXFE with LO Overlap Reduction and 1.08 dB NF Degradation

Anushka Tripathi, Alan Nelson, Abhishek Srivastava

arXiv 2607.28546首次发表:更新:

AI 中文总结

该研究提出一款Sub-6G混频器优先型RXFE,通过设计方法缓解本振重叠引发的输入匹配与NF恶化,采用TSMC 65 nm CMOS工艺实现,在1-5.6 GHz频段实现了-10 dB以下S11、1.08 dB NF恶化及低功耗性能。

AI 中文摘要

本研究提出一款针对Sub-6 GHz应用优化的混频器优先型接收机前端(RXFE),其本振(LO)脉冲重叠已被最小化。研究提出一种设计方法,用于缓解本振重叠引发的输入匹配与噪声系数(NF)恶化问题,该方法采用基于电流模式逻辑(CML)的本振发生器验证。该RXFE采用台积电(TSMC)65 nm CMOS工艺实现,在1-5.6 GHz频率范围内,输入回波损耗(S11)低于-10 dB,噪声系数恶化值为1.08 dB,从1.2 V电源消耗的电流不超过12.19 mA,其有效布局面积为302 μm × 209 μm。

英文摘要

This work presents a mixer-first receiver front-end (RXFE) optimized for sub-6 GHz applications with minimized local oscillator (LO) pulse overlap. A design methodology is proposed to mitigate LO overlap-induced degradation in input matching and noise figure (NF), validated using a current-mode logic (CML)-based LO generator. Implemented in TSMC 65-nm CMOS, the RXFE achieves an input return loss (S11) below -10 dB, an NF degradation of 1.08 dB, and consumes no more than 12.19 mA from a 1.2 V supply across the 1-5.6 GHz frequency range. The proposed RXFE occupies an active layout area of 302 um x 209 um.

CommentsThe withdrawal is being done due to a conflict with the advisor of the work. The work shall be resubmitted once the conflicts are resolved

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