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Design and optimization of a low noise 2.4 GHz CMOS VCO with integrated LC tank and MOSCAP tuning

Ham, Donhee and Hajimiri, Ali (2000) Design and optimization of a low noise 2.4 GHz CMOS VCO with integrated LC tank and MOSCAP tuning. In: ISCAS 2000 Geneva: Proceedings of the 2000 IEEE International Symposium on Circuits and Systems, Emerging technologies for the 21st century. IEEE , Piscataway, N.J. , pp. 331-334. ISBN 0-7803-5482-6. https://resolver.caltech.edu/CaltechAUTHORS:20111207-153428070

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Abstract

A 2.4 GHz LC voltage controlled oscillator is designed and optimized via linear programming and implemented in a 0.35 μm RF BiCMOS process technology. Our design methodology provides an insight to choosing design variables given several constraints such as voltage swing, tuning range and start-up condition. The on-chip spiral inductors used are modeled and optimized by a 3D inductor simulator. The inversion mode MOSCAP tuning is used to achieve 26% of tuning range. The measured phase noise is -121 dBc/Hz, -117 dBc/Hz and -115 dBc/Hz at 600 kHz offset from 1.91 GHz, 2.03 GHz and 2.60 GHz carriers, respectively. The VCO dissipates only 4 mA from a 2.5 V supply voltage


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1109/ISCAS.2000.857097 DOIUNSPECIFIED
http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=857097PublisherUNSPECIFIED
ORCID:
AuthorORCID
Hajimiri, Ali0000-0001-6736-8019
Additional Information:© 2000 IEEE. Date of Current Version: 06 August 2002. The authors thank Conexant Systems, Inc. for help and support with CAD tools and fabrication of the VCO.
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Funding AgencyGrant Number
Conexant SystemsUNSPECIFIED
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INSPEC Accession Number6709819
Record Number:CaltechAUTHORS:20111207-153428070
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20111207-153428070
Official Citation:Ham, D.; Hajimiri, A.; , "Design and optimization of a low noise 2.4 GHz CMOS VCO with integrated LC tank and MOSCAP tuning," Circuits and Systems, 2000. Proceedings. ISCAS 2000 Geneva. The 2000 IEEE International Symposium on , vol.1, no., pp.331-334 vol.1, 2000 doi: 10.1109/ISCAS.2000.857097 URL: http://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=857097&isnumber=18601
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28359
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:08 Dec 2011 00:02
Last Modified:09 Mar 2020 13:18

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