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A high-Q spiral inductor with dual-layer patterned floating shield in a class-B VCO achieving a 190.5-dBc/Hz FoM
Chee-Cheow Lim1; Harikrishnan Ramiah1; Jun Yin2; Pui-In Mak2; Rui P. Martins2,3
2016-07-29
Conference NameIEEE International Symposium on Circuits and Systems (ISCAS)
Source Publication2016 IEEE International Symposium on Circuits and Systems (ISCAS)
Pages2759-2762
Conference Date22-25 May 2016
Conference PlaceMontreal, QC, Canada
Abstract

This paper proposes a dual-layer patterned floating shield (DL-PFS) technique for Silicon-based on-chip spiral inductors. By optimally utilizing the two lowest metal layer strips to shield the inductor from the substrate, electromagnetic (EM) simulations show 40% improvement of the Q factor when compared with the conventional approach. Designed and simulated in 0.13-μm CMOS, the DL-PFS inductor in a class-B VCO achieves 6.6-dB lower phase noise, and 34% power savings. The VCO also exhibits 9.7-to-10.93 GHz tunability, and -123-dBc/Hz phase noise at a 3 MHz offset. The power consumption is 1.64 mW at 0.6 V, leading to a state-of-the-art FoM of 190.5 dBc/Hz.

KeywordInductor Rfic Vco Dual-layer Patterned Floating Shield
DOI10.1109/ISCAS.2016.7539164
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000390094702228
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Citation statistics
Cited Times [WOS]:2   [WOS Record]     [Related Records in WOS]
Document TypeConference paper
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Faculty of Science and Technology
INSTITUTE OF MICROELECTRONICS
Affiliation1.Department of Electrical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia
2.State-Key Laboratory of Analog and Mixed-Signal VLSI and FST-ECE, University of Macau, Macao, China
3.on leave from Instituto Superior Técnico, Universidade de Lisboa, Portugal
Recommended Citation
GB/T 7714
Chee-Cheow Lim,Harikrishnan Ramiah,Jun Yin,et al. A high-Q spiral inductor with dual-layer patterned floating shield in a class-B VCO achieving a 190.5-dBc/Hz FoM[C],2016:2759-2762.
APA Chee-Cheow Lim,Harikrishnan Ramiah,Jun Yin,Pui-In Mak,&Rui P. Martins.(2016).A high-Q spiral inductor with dual-layer patterned floating shield in a class-B VCO achieving a 190.5-dBc/Hz FoM.2016 IEEE International Symposium on Circuits and Systems (ISCAS),2759-2762.
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