NDLI: Analysis and design of a 1.8-GHz CMOS LC quadrature VCO

Content Provider	Semantic Scholar
Author	Andreani, Pietro Bonfanti, Andrea Romanò, Luca Samori, Carlo
Copyright Year	2002
Abstract	This paper presents a quadrature voltage-controlled oscillator (QVCO) based on the coupling of two LC-tank VCOs. A simplified theoretical analysis for the oscillation frequency and phase noise displayed by the QVCO in the 1/f/sup 3/ region is developed, and good agreement is found between theory and simulation results. A prototype for the QVCO was implemented in a 0.35-/spl mu/m CMOS process with three standard metal layers. The QVCO could be tuned between 1.64 and 1.97 GHz, and showed a phase noise of -140 dBc/Hz or less across the tuning range at a 3-MHz offset frequency from the carrier, for a current consumption of 25 mA from a 2-V power supply. The equivalent phase error between I and Q signals was at most 0.25/spl deg/.
Starting Page	1737
Ending Page	1747
Page Count	11
File Format	PDF HTM / HTML
DOI	10.1109/JSSC.2002.804352
Volume Number	37
Alternate Webpage(s)	https://www.researchgate.net/profile/Andrea_Bonfanti2/publication/2982111_Analysis_and_design_of_a_1.8-GHz_CMOS_LC_quadrature_VCO/links/0fcfd50653f500b780000000.pdf
Alternate Webpage(s)	http://orbit.dtu.dk/files/4255995/Andreani.pdf
Alternate Webpage(s)	https://backend.orbit.dtu.dk/ws/portalfiles/portal/4255995/Andreani.pdf
Alternate Webpage(s)	http://www.researchgate.net/profile/Andrea_Bonfanti2/publication/2982111_Analysis_and_design_of_a_1.8-GHz_CMOS_LC_quadrature_VCO/links/0fcfd50653f500b780000000.pdf
Alternate Webpage(s)	http://orbit.dtu.dk/fedora/objects/orbit:18626/datastreams/file_4255995/content
Alternate Webpage(s)	https://orbit.dtu.dk/files/4255995/Andreani.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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