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Design of a novel low-power 4th-order 1.7 GHz CMOS frequency synthesizer for DCS-1800

Lehner, Andreas and Weigel, Robert and Sewald, Dieter and Eichfeld, Herbert and Hajimiri, Ali (2000) Design of a novel low-power 4th-order 1.7 GHz CMOS frequency synthesizer for DCS-1800. In: Proceedings the 2000 IEEE International Symposium on Circuits and Systems. IEEE , Piscataway, NJ, pp. 637-640. ISBN 0-7803-5482-6.

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A low-power fully-integrated type-2 4th-order 1.7 GHz CMOS frequency synthesizer for DCS-1800 application is designed and simulated in a 0.25 μm process technology. The frequency switching is achieved using a novel architecture exploiting a direct digital synthesis (DDS) device as the frequency reference. The new topology significantly lowers the undesired sideband power due to divider ratio switching by directly shifting the frequency of the DDS reference. The frequency synthesizer (excluding the DDS device) dissipates only 9 mW of power from a 2 V power supply. It employs a fast-switching novel charge pump circuit and a low-noise fully-integrated differential LC voltage controlled oscillator using on-chip spiral inductors and accumulation-mode capacitors to meet the requirements of a DCS-1800 system. A detailed analysis of the phase noise in the 4th order loop is presented.

Item Type:Book Section
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Hajimiri, Ali0000-0001-6736-8019
Additional Information:© 2000 IEEE. Date of Current Version: 06 August 2002. The authors would like to thank California Institute of Technology where this work was done for support during completion of this project.
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INSPEC Accession Number6777234
Record Number:CaltechAUTHORS:20111130-143135860
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Official Citation:Lehner, A.; Weigel, R.; Sewald, D.; Eichfeld, H.; Hajimiri, A.; , "Design of a novel low-power 4th-order 1.7 GHz CMOS frequency synthesizer for DCS-1800," Circuits and Systems, 2000. Proceedings. ISCAS 2000 Geneva. The 2000 IEEE International Symposium on , vol.5, no., pp.637-640 vol.5, 2000 doi: 10.1109/ISCAS.2000.857540 URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:28258
Deposited By: Tony Diaz
Deposited On:19 Jan 2012 19:11
Last Modified:09 Nov 2021 16:55

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