A Charge-Domain Auto- and Cross-Correlation Based Data Synchronization Scheme With Power- and Area-Efficient PLL for Impulse Radio UWB Receiver

Liu L.; Sakurai T.; Takamiya M.

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A Charge-Domain Auto- and Cross-Correlation Based Data Synchronization Scheme With Power- and Area-Efficient PLL for Impulse Radio UWB Receiver

机译：A Charge-Domain Auto- and Cross-Correlation Based Data Synchronization Scheme With Power- and Area-Efficient PLL for Impulse Radio UWB Receiver

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摘要

A 1.2 V 100 Mb/s 2.93 mW discrete-time charge-domain impulse radio ultra-wideband (IR-UWB) receiver is developed in 65 nm CMOS. In the charge-domain, the template of the correlator is represented by capacitance and the correlation is implemented by charge addition instead of voltage multiplication and voltage integration. Power consumption of the charge-domain receiver is minimized by a novel auto- and cross-correlation based synchronization scheme. To reduce the power consumption and the chip area of the PLL clock generator for the receiver, a dual charge-pump PLL is proposed to scale up the capacitance of the loop filter without extra charge-pump current. The developed UWB receiver with the area- and power-efficient PLL achieves the energy consumption of 29.3 pJ/bit with the 62.5-ps timing step for data synchronization.

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来源
《IEEE Journal of Solid-State Circuits》 |2011年第6期|1349-1359|共11页
作者
Liu L.; Sakurai T.; Takamiya M.;
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作者单位

EW-205, Institute of Industrial Science, University of Tokyo, Tokyo, Japan;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
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关键词
DLL; PLL; UWB; Ultra-wideband; auto-correlation; capacitance multiplier; charge-domain; cross-correlation; delay-locked loop; phase-locked loop;

A Charge-Domain Auto- and Cross-Correlation Based Data Synchronization Scheme With Power- and Area-Efficient PLL for Impulse Radio UWB Receiver

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