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A 0.07 mm2 2.2 mW 10 GHz Current-Reuse Class-B/C Hybrid VCO Achieving 196-dBc/Hz FoMA
Md. Tawfiq Amin1; Jun Yin1; Pui-In Mak1; Rui P. Martins1,2
2015-07-01
Source PublicationIEEE Microwave and Wireless Components Letters
ISSN1531-1309
Volume25Issue:7Pages:457-459
Abstract

This Letter describes a current-reuse class-B/C hybrid voltage-controlled oscillator (VCO) with robust startup, enhanced phase noise and differential balancing at small area and power. Specifically, an asymmetrical CMOS class-C core is aided by a symmetrical NMOS-only class-B core that effectively shares the bias current for deeper class-C operation of the former; wider margin of startup against PVT variations, and lower amplitude imbalance against oscillation frequencies. Moreover, this topology adds the freedom of adjustable peak dynamic current and boosts the oscillation swing at low power. The spiral inductors with patterned ground shields shrink the die size. Fabricated in 65 nm CMOS, the 0.07 mm VCO prototype exhibits 10.15-to-11.17 GHz tunability, and -107.73-dBc/Hz phase noise at 1 MHz offset, while dissipating merely 2.2 mW at 1.2 V. The achieved area-included figure-of-merit (FoM = 196 dBc/Hz) favorably compares with the state-of-the-art.

KeywordCurrent-reuse Cmos Class-b Class-c Phase Noise Startup Voltage-controlled Oscillator (Vco)
DOI10.1109/LMWC.2015.2427582
URLView the original
Indexed BySCIE
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000357619300013
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Cited Times [WOS]:12   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionINSTITUTE OF MICROELECTRONICS
Corresponding AuthorPui-In Mak; Rui P. Martins
Affiliation1.e State-Key Laboratory of Analog and Mixed-Signal VLSI, and Faculty of Science and Technology Electrical and Computer Engineering Department, University of Macau, Macao, China
2.Instituto Superior Técnico, Universidade de Lisboa, Lisboa 1049–001, Portugal
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Md. Tawfiq Amin,Jun Yin,Pui-In Mak,et al. A 0.07 mm2 2.2 mW 10 GHz Current-Reuse Class-B/C Hybrid VCO Achieving 196-dBc/Hz FoMA[J]. IEEE Microwave and Wireless Components Letters,2015,25(7):457-459.
APA Md. Tawfiq Amin,Jun Yin,Pui-In Mak,&Rui P. Martins.(2015).A 0.07 mm2 2.2 mW 10 GHz Current-Reuse Class-B/C Hybrid VCO Achieving 196-dBc/Hz FoMA.IEEE Microwave and Wireless Components Letters,25(7),457-459.
MLA Md. Tawfiq Amin,et al."A 0.07 mm2 2.2 mW 10 GHz Current-Reuse Class-B/C Hybrid VCO Achieving 196-dBc/Hz FoMA".IEEE Microwave and Wireless Components Letters 25.7(2015):457-459.
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