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ADS54RF63 模数转化器参数理解

从对模数转换器的了解,一般需要满足Nyquist定理,熟悉一点的有第二定理,fs>=2fin;或者带通采样。如今我在查阅ADS54RF63(最高550MSPS)资料时,发现如下图的测试性能图表,也没提采用什么样的采样方法,为何输入信号为650M时,采样的峰值在150M附近,麻烦知道的人点破一下....