40纳米CMOS中带相位幅度补偿的28 GHz带宽直流耦合有源平衡轮设计与分析

IF 5.2 1区 工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC
Berke Gungor;Patrick Reynaert
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引用次数: 0

摘要

本文介绍了采用40纳米CMOS工艺制造的直流耦合宽带有源平衡器的设计方法和测量结果。分析并实现了一种基于辅助平衡的相位和幅度不平衡补偿方法,以降低宽带不平衡。在每个平衡器中利用差分t线圈峰值来扩展带宽,并使用电阻反馈逆变器在输入端与$50~\Omega $进行接口。设计的有源平衡器在28ghz 3db带宽下实现8.2 dB单端差分增益,带宽内的峰值相位不平衡度为4度,幅值不平衡度为0.3 dB。测量到的噪声系数在5-20 GHz之间保持在5db左右。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Design and Analysis of a 28 GHz Bandwidth DC Coupled Active Balun With Phase-Amplitude Compensation in 40-nm CMOS
This article presents the design methodology and the measurements of a DC-coupled wideband Active Balun fabricated in a 40-nm CMOS process. An auxiliary balun-based phase and amplitude imbalance compensation method is analyzed and implemented, providing broadband imbalance reduction. Differential T-coil peaking is utilized in each balun for bandwidth extension, and a resistive-feedback inverter is used to interface with $50~\Omega $ at the input. The designed Active Balun achieves 8.2 dB single-ended to differential gain with 28 GHz 3-dB bandwidth, with a peak phase and amplitude imbalance of 4 degrees and 0.3 dB within the bandwidth, respectively. The measured noise figure remains around 5 dB between 5-20 GHz.
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来源期刊
IEEE Transactions on Circuits and Systems I: Regular Papers
IEEE Transactions on Circuits and Systems I: Regular Papers 工程技术-工程:电子与电气
CiteScore
9.80
自引率
11.80%
发文量
441
审稿时长
2 months
期刊介绍: TCAS I publishes regular 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.
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