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Conference paper
Active compensation of supply noise for a 5-GHz VCO in 45-nm CMOS SOI technology
Abstract
This paper describes an active compensation circuit to reduce supply induced jitter for a 5-GHz VCO in 45-nm CMOS SOI technology. The VCO generates multiple-phases which are digitally-programmable and uses feed-forward inverting stages for faster operation. A comparison of variations in oscillation frequency of VCO due to supply noise, with and without active compensation across different process corners shows that the proposed circuit significantly reduces jitter. ©2008 IEEE.