Article citationsMore>>
Stackhouse, B., Bhimji, S., Bostak, C., Bradley, D., Cherkauer, B., Desai, J., Francom, E., Gowan, M., Gronowski, P., Krueger, D., Morganti, C. and Troyer, S. (2009) A 65 nm 2-Billion Transistor Quad-Core Itanium Processor. IEEE Journal of Solid-State Circuits, 44, 18-31.
http://dx.doi.org/10.1109/JSSC.2008.2007150
has been cited by the following article:
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TITLE:
Jitter Reduced Self Biased PLLs—A Systematic Simulation Study
AUTHORS:
J. Dhurga Devi
KEYWORDS:
Jitter, Dual Loop PLL, Self Biased PLL, Adaptive Bandwidth PLL
JOURNAL NAME:
Circuits and Systems,
Vol.7 No.5,
April
29,
2016
ABSTRACT: The self biased Phase
Locked Loop (PLL) has become a default choice for clock generation in many
microprocessors. In today’s scenario, the processor cores are made to operate
at rapidly varying combinations of clock frequencies and very low supply
voltages. Though the traditional self biased PLL is still being widely used
with hardly any modification, it is becoming imperative to take a relook at the
design aspects of these PLLs with respect to their jitter performance. This
paper presents a systematic simulation study of designing the self biased PLL
with the goal of reducing jitter. It further shows that if the self biased PLL
is adapted into a dual loop scheme in a systematic manner, a significant jitter
improvement can be obtained. Detailed simulations carried out in 0.18 μm CMOS
technology indicate a reduction of 56% or more in jitter for the systematically
designed dual loop scheme in comparison to the jitter reduced traditional self
biased PLL.
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