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Bang-Bang Phase Locked Loops (BB-PLLs) exhibit a nonlinear response that is dependent on the magnitude of the phase error. This paper presents a novel Digital Loop Filter (DLF) with coefficients that adapt to the relative magnitude of the phase error, and hence, enhances system linearity. An All-Digital BB-PLL (BB-ADPLL) that incorporates the proposed DLF is implemented using 32nm technology. AMS...
Bang-Bang phase locked loops (BB-PLLs) offer a low power implementation of digital PLLs. However, the response of BB-PLLs, unlike linear PLLs, depends on the magnitude of the phase error, and thus, exhibits hard nonlinearity. This paper presents a generic modeling methodology for digital BB-PLLs in the locked state using simple time domain analysis. The proposed model predicts the response of BB-PLL...
Westmere is the latest IA processor family for mobile, desktop and server market segments, implemented on Intel's second-generation high-k metal gate 32 nm process. Westmere not only increases core count, cache size, and frequency within the previous generation's power envelope, it also provides further improvements in power efficiency, feature set, and support for combo DDR3 and low voltage DDR3...
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