电流控制DAC输出级的电流开关

2011 IEEE International Conference on Anti-Counterfeiting, Security and Identification Pub Date : 2011-06-24 DOI:10.1109/ASID.2011.5967439

Pu Luo, Weidong Yang, D. Fu

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引用次数: 1

摘要

当DAC应用于通信领域时，一般要求其具有良好的动态性能。然而，输出级电流开关的非线性失真对DAC的整体性能有很大的影响。本文提出的方法旨在改善输出阶段的失真。经实际测量，时钟频率为200MHz，数据频率为20MHz的DAC的SFDR为83dBC。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A current switch of current-steering DAC output stage

When DAC is applied to communication field, it is generally necessary to have a good dynamic performance. However, nonlinear distortion of output stage current switch has a potent effect on DAC as a whole. The approach proposed in this paper aims to improve on distortion in output stage. As a result of practical measurement, clock frequency is 200MHz, and SFDR of the DAC with a data frequency of 20MHz is 83dBC.

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2011 IEEE International Conference on Anti-Counterfeiting, Security and Identification

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