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[c]FP-AI模块中模数转换器类型？
硬件: FieldPoint>>Analog I/O Modules>>FP-AI-110
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问题: [c]FP-AI10中使用的是什么类型的模数转换器（ADC）?
解答:
[c]FP-AI10拥有数字与模拟两种类型的滤波器。ADC采用的是Delta-Sigma类型并内置数字滤波器。由于使用了数字滤波，ADC输出的数值不仅仅是一次采样的读数。这比普通的平均计算更加复杂（平均计算中个采样点的权重系数相等，等价于平滑的频率响应）。Delta-Sigma模数转换器中的数字滤波能带来边缘陡峭的频率响应。
相关链接:
Developer Zone Tutorial: Filters and Delta-Sigma Converters
Product Manuals: FP-AI-110 and cFP-AI-110 Operating Instructions
Delta-sigma modulation - Wikipedia, the free encyclopedia
Product Manuals: FP-AI-110 and cFP-AI-110 Operating Instructions
Delta-sigma modulation - Wikipedia, the free encyclopedia
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报告日期: 12/18/1997
最近更新: 10/27/2016
文档编号: 14HALC9C