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128.76–129.56 GHz Fundamental Voltage Control Oscillator in 65 nm CMOS
Electronics ( IF 2.6 ) Pub Date : 2020-05-28 , DOI: 10.3390/electronics9060898
Guodong Su , Dirong Chen , Kaixuan Pang , Haijun Gao , Jiangtao Su , Lingling Sun

This paper presented a fundamental voltage control oscillator (VCO), and its operating frequency ranged from 128.76 GHz to 129.56 GHz. A differential low negative coupling shield switch (DLNCSS) inductor was proposed and analyzed, which helped to improve the tuning range and phase noise of the presented VCO. Meanwhile, an improved transformer-coupled resonant tank, which consisted of DLNCSS inductor and differential varactor using the common-cathode structure, was used to improve the phase noise of the proposed VCO further. This presented VCO was designed and fabricated by using 65 nm CMOS process, which occupied a compact area of 0.23 mm2, including all testing pads. The measurement results showed that this VCO consumed 11.2 mW from a 1.4 V supply and had the tuning range of 0.8 GHz. The output power ranged from −11.8 dBm to −10.6 dBm in its operating frequency band. The post-layout simulation showed that the phase noise at 1 MHz was better than −82 dBc/Hz.

中文翻译:

65 nm CMOS中的128.76–129.56 GHz基本电压控制振荡器

本文介绍了一种基本的压控振荡器(VCO),其工作频率范围为128.76 GHz至129.56 GHz。提出并分析了差分低负负耦合屏蔽开关(DLNCSS)电感器,该电感器有助于改善所提出的VCO的调谐范围和相位噪声。同时,采用改进的变压器耦合谐振电路,该电路由DLNCSS电感和采用共阴极结构的差分变容二极管组成,可以进一步改善所提出的VCO的相位噪声。提出的VCO是使用65 nm CMOS工艺设计和制造的,该工艺占据了0.23 mm 2的紧凑面积,包括所有测试板。测量结果表明,该VCO从1.4 V电源消耗了11.2 mW,调谐范围为0.8 GHz。在其工作频带中,输出功率的范围为-11.8 dBm至-10.6 dBm。布局后仿真显示,在1 MHz处的相位噪声优于-82 dBc / Hz。
更新日期:2020-05-28
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