利用相应的高层次模型，详细分析并仿真了电流源匹配误差和电流源输出阻抗对DAC的非线性误差nl、信号噪声失调比SNDR、无杂波动态范围SFDR的影响。
With corresponding models how the matching errors and output resistance of current source affect the NL, SNDR and SFDR of DAC is analyzed and simulated in detail.
出于清晰性的考虑，在本例中，我们选择首先使用高层次演示图来呈现一个物理模型，然后使用一个更加具体的结构图。
For the sake of clarity, in this example, we have chosen to represent the physical model with a high-level illustrated diagram first, and then with a more detailed textual one.
在高层次上，这种映射十分直接，但在实际中，每个项目都采用稍微不同的模型。
At a high level this mapping is fairly straightforward, but in practice every project ends up with a slightly different model.
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