Referenced Items are not available for this document.
A 7-GHz CMOS voltage controlled ring oscillator that employs multiloop technique for frequency boosting is presented in this paper. The circuit permits lower tuning gain through the use of coarse/fine frequency control. The lower tuning gain also translates into a lower sensitivity to the voltage at the control lines. Fabricated in a standard 0.13-mum CMOS process, the proposed voltage-controlled ring oscillator exhibits a low phase noise of -103.4 dBc/Hz at 1 MHz offset from the center frequency of 7.64 GHz, while consuming a current of 40 mA excluding the buffer.
Published in:
Very Large Scale Integration (VLSI) Systems, IEEE Transactions on
(Volume:17
,
Issue:
4
)
Date of Publication: April 2009
- Page(s):
- 571 - 577
- ISSN :
- 1063-8210
- INSPEC Accession Number:
- 10520029
- Digital Object Identifier :
- 10.1109/TVLSI.2008.2011206
- Product Type:
- Journals & Magazines
- Date of Publication :
- 27 January 2009
- Date of Current Version :
- 17 March 2009
- Issue Date :
- April 2009
- Sponsored by :
- IEEE Circuits and Systems Society
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