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Low-Phase-Noise Wideband Mode-Switching Quad-Core-Coupled mm-wave VCO Using a Single-Center-Tapped Switched Inductor
Peng, Yatao1; Yin, Jun1; Mak, Pui-In1,2; Martins, Rui P.1,2
2018-11
Source PublicationIEEE JOURNAL OF SOLID-STATE CIRCUITS
ISSN0018-9200
Volume53Issue:11Pages:3232-3242
AbstractThis paper describes a mode-switching quad-core-coupled millimeter-wave (mm-wave) voltage-controlled oscillator (VCO), using a single-center-tapped (SCT) switched inductor for extension of the frequency tuning range (FTR) and improvement of the phase noise (PN). The switches not only serve for in-phase coupling among the VCO cores but also can modify the equivalent tank inductance suitable for coarse frequency tuning. The frequency gaps between the multi-resonant frequencies are controlled by the common-mode (CM) inductance that is precisely set by the lithography fabrication. Together with the tiny varactors for fine frequency tuning, a wide and continuous FTR can be achieved. It is analytically shown that tiny switches (i.e., small parasitic capacitance) for mode selection are adequate to avoid bimodal oscillation, synchronize the VCO cores against resonance frequency mismatches, and prevent PN degradation. A symmetrical layout of SCT switched inductor also aids the VCO to be immune to magnetic pulling. Prototyped in 65-nm CMOS, the VCO exhibits a 16.5% FTR from 42.9 to 50.6 GHz. The PN at 46.03 GHz is -113.1 dBc/Hz at 3-MHz offset, corresponding to a figure-of-merit (FoM) of 183.6 dBc/Hz. The die size is 0.039 mm(2).
KeywordFrequency-tuning range (FTR) LC tank millimeter-wave (mm-wave) mode switching multi-mode resonance phase noise (PN) switched inductor voltage-controlled oscillator (VCO)
DOI10.1109/JSSC.2018.2867269
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000449108400020
PublisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
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Citation statistics
Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Affiliation1.Univ Macau, State Key Lab Analog & Mixed Signal VLSI, Macau, Peoples R China;
2.Univ Macau, Dept Elect & Comp Engn, Fac Sci & Technol, Macau, Peoples R China
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Peng, Yatao,Yin, Jun,Mak, Pui-In,et al. Low-Phase-Noise Wideband Mode-Switching Quad-Core-Coupled mm-wave VCO Using a Single-Center-Tapped Switched Inductor[J]. IEEE JOURNAL OF SOLID-STATE CIRCUITS,2018,53(11):3232-3242.
APA Peng, Yatao,Yin, Jun,Mak, Pui-In,&Martins, Rui P..(2018).Low-Phase-Noise Wideband Mode-Switching Quad-Core-Coupled mm-wave VCO Using a Single-Center-Tapped Switched Inductor.IEEE JOURNAL OF SOLID-STATE CIRCUITS,53(11),3232-3242.
MLA Peng, Yatao,et al."Low-Phase-Noise Wideband Mode-Switching Quad-Core-Coupled mm-wave VCO Using a Single-Center-Tapped Switched Inductor".IEEE JOURNAL OF SOLID-STATE CIRCUITS 53.11(2018):3232-3242.
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