A low-supply PLL with Enhanced Cascode Compensation and a low-supply-sensitivity CCO

Abstract

Multiple techniques are proposed to realize a self-contained low-supply PLL macro that can share a digital supply thereby saving one supply regulator on the board. Enhanced Cascode Compensation features fast and slow loops to regulate the supply noise without the need of a replica. A novel topology for a current controlled oscillator (CCO) improves the… (More)
DOI: 10.1109/CICC.2010.5617459

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