首页> 外国专利> CORRELATION-BASED BACKGROUND CALIBRATION FOR REDUCING INTER-STAGE GAIN ERROR AND NON-LINEARITY IN PIPELINED ANALOG-TO-DIGITAL CONVERTERS

CORRELATION-BASED BACKGROUND CALIBRATION FOR REDUCING INTER-STAGE GAIN ERROR AND NON-LINEARITY IN PIPELINED ANALOG-TO-DIGITAL CONVERTERS

机译:用于减少流水线模拟-数字转换器的级间增益误差和非线性的基于相关性的背景校准

摘要

A method and a corresponding device for calibrating a pipelined analog-to-digital converter (ADC) involve injecting a randomly determined amount of dither into one of a flash component and a multiplying digital-to-analog converter (MDAC) in at least one stage in the ADC. For each stage of the at least one stage a correlation procedure is performed to estimate, based on an output of the ADC, an amount of gain experienced by the injected dither after propagating through the stage. The stage is then calibrated based on its respective gain estimate.
机译:一种用于校准流水线式模数转换器(ADC)的方法和相应的设备,涉及在至少一级中将随机确定量的抖动注入闪存组件和乘法数模转换器(MDAC)之一中。在ADC中。对于至少一个阶段的每一阶段,执行相关程序以基于ADC的输出来估计在通过该阶段传播之后注入的抖动所经历的增益量。然后根据其各自的增益估计值对平台进行校准。

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