Mounir Meghelli, Alexander V. Rylyakov, et al.
IEEE Journal of Solid-State Circuits
Conference paper
All-digital dynamic self-detection and self-compensation of static phase offsets in charge-pump PLLs
Abstract
A 90nm CMOS charge-pump PLL incorporates an all-digital auxiliary feedback loop that dynamically detects and compensates the static phase offset. The on-chip monitoring of the static phase offset with a preset target value allows for accurate and reliable compensation. A measured static phase offset as large as 600ps is compensated to a ±15ps range. © 2007 IEEE.
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