Papalias, Tamara A. and Lee, Thomas T. and Hajimiri, Ali and Dutton, Robert W. and Lee, Thomas H. (2004) Reprogrammable, Wide Tuning Range 1.6GHz CMOS VCO with Low Phase Noise Variation. In: 2004 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium. IEEE Radio Frequency Integrated Circuits Symposium. IEEE , pp. 479-482. ISBN 0-7803-8333-8 http://resolver.caltech.edu/CaltechAUTHORS:20111013-115154839
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Phase noise can vary dramatically over the tying range of a VCO, but the published literature often obscures this fad by reporting phase noise measurements at only a small number of selected turning voltages. It is diffcult to obtain simultaneously a large tuning range, low phase noise, and small phase noise variation, particularly while accommodating manufacturing and packaging tolerances. This work describes the first use of native EPROM devices (available in every standard CMOS technology) and switched reactances to relax these tradeoffs. In addition to permitting post-packaging compensation for manufacturing variations, the inherent reprogrammability of they cells also enables the rapid prototyping and optional reconfiguration of RF and mixed-signal systems. This technology allows the realization of a fully-integrated oscillator in 0.25μm CMOS with a phase noise variation of under lOdB (compared with 40dB variation in a conventional implementation) over a 1.25GHz to 1.92GHz (42%) tuning range. The oscillator consumes 23mW from a 3V supply while exhibiting a phase noise of better than -93dBdHz at 100kHz offset from a nominal 1.58GHz center frequency.
|Item Type:||Book Section|
|Additional Information:||© 2004 IEEE. Issue Date: 6-8 June 2004; Date of Current Version: 09 August 2004. The authors wish to thank National Semiconductor and Hewlett-Packard for fabricating numerous prototype oscillators for this work.|
|Subject Keywords:||Phase noise; voltage-controlled oscillators; wide tuning range; reprogrammable; spiral inductance|
|Other Numbering System:|
|Official Citation:||Papahas, T.A.; Lee, T.T.; Hajimiri, A.; Dutton, R.W.; Lee, T.H.; , "Reprogrammable, wide tuning range 1.6 GHz CMOS VCO with low phase noise variation," Radio Frequency Integrated Circuits (RFIC) Symposium, 2004. Digest of Papers. 2004 IEEE , vol., no., pp. 479- 482, 6-8 June 2004 doi: 10.1109/RFIC.2004.1320659|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Jason Perez|
|Deposited On:||13 Oct 2011 20:16|
|Last Modified:||13 Oct 2011 20:16|
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