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JSSC 2011第6期RF & Wireless65nm

A Charge-Domain Auto- and Cross-Correlation Based Data Synchronization Scheme Wi

一种基于电荷域自相关和互相关的数据同步方案,用于低功耗IR-UWB接收器。
1.2V, 100Mb/s, 2.93mW, 29.3pJ/bit, 62.5ps同步步进
电荷域IR-UWB接收器数据同步双电荷泵PLL低功耗
电荷域相关器采用电容表示模板,通过电荷加法实现相关运算
新型自相关和互相关同步方案降低功耗
双电荷泵PLL在不增加电流的情况下扩大环路滤波器电容
Abstract
A 1.2 V 100 Mb/s 2.93 mW discrete-time charge-do- main impulse radio ultra-wideband (IR-UWB) receiver is devel- oped 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 aut o- and cross-correlation based synchronization scheme. To reduce the power consumption and the c