{"title":"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","authors":"Berke Gungor;Patrick Reynaert","doi":"10.1109/TCSI.2025.3552956","DOIUrl":null,"url":null,"abstract":"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 <inline-formula> <tex-math>$50~\\Omega $ </tex-math></inline-formula> 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.","PeriodicalId":13039,"journal":{"name":"IEEE Transactions on Circuits and Systems I: Regular Papers","volume":"72 9","pages":"4420-4430"},"PeriodicalIF":5.2000,"publicationDate":"2025-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Design and Analysis of a 28 GHz Bandwidth DC Coupled Active Balun With Phase-Amplitude Compensation in 40-nm CMOS\",\"authors\":\"Berke Gungor;Patrick Reynaert\",\"doi\":\"10.1109/TCSI.2025.3552956\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"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 <inline-formula> <tex-math>$50~\\\\Omega $ </tex-math></inline-formula> 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.\",\"PeriodicalId\":13039,\"journal\":{\"name\":\"IEEE Transactions on Circuits and Systems I: Regular Papers\",\"volume\":\"72 9\",\"pages\":\"4420-4430\"},\"PeriodicalIF\":5.2000,\"publicationDate\":\"2025-03-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"IEEE Transactions on Circuits and Systems I: Regular Papers\",\"FirstCategoryId\":\"5\",\"ListUrlMain\":\"https://ieeexplore.ieee.org/document/10945724/\",\"RegionNum\":1,\"RegionCategory\":\"工程技术\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q1\",\"JCRName\":\"ENGINEERING, ELECTRICAL & ELECTRONIC\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"IEEE Transactions on Circuits and Systems I: Regular Papers","FirstCategoryId":"5","ListUrlMain":"https://ieeexplore.ieee.org/document/10945724/","RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"ENGINEERING, ELECTRICAL & ELECTRONIC","Score":null,"Total":0}
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.
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.