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Low Power and Low Jitter Wideband Clock Synthesizers in CMOS ASICs

Abstract : This paper introduces two low power design techniques to improve both the jitter and phase noise of PLL frequency synthesizers used in ASICs. These techniques focus on the noise current reduction in wideband ring VCOs. Two PLLs embedding such VCOs were implemented, in 0.18μm and 0.13μm CMOS technologies, under 1.8V and 1.2V supply voltages respectively. The maximum improvement was observed for a 1.8V PLL running at 160MHz and consuming 1.6mW, which phase noise was reduced from -81.4dBc/Hz to -88.4dBc/Hz.
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00109058
Contributor : Guy Cathébras <>
Submitted on : Monday, October 23, 2006 - 4:25:14 PM
Last modification on : Thursday, May 24, 2018 - 3:59:20 PM

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Régis Roubadia, Sami Ajram, Guy Cathébras. Low Power and Low Jitter Wideband Clock Synthesizers in CMOS ASICs. Nadine Azémard, Philippe Maurine, Johan Vounckx. Integrated Circuit and System Design. Power and Timing Modeling, Optimization and Simulation, 4148/2006, Springer Berlin / Heidelberg, pp.458-467, 2006, Lecture Notes in Computer Science, 978-3-540-39094-7. ⟨10.1007/11847083_44⟩. ⟨lirmm-00109058⟩

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