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DCA1000EVM: 2243boost+dca1000采集数据做时域分析数据异常。

Part Number: DCA1000EVM
Other Parts Discussed in Thread: AWR2243BOOST

 第一张图片是我一个月前采集的ADC原始数据做时域分析得到的,可以看到有两个毛刺现象总体不算严重,但是这两天采集的数据就完全成为第二张图片这样 是参数设置的有问题还是DCA板子出现异常?期间更换了2243demo板子进行采集,大体上都是第二张图片这样,有大神知道哪里除了问题吗?