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ADS1293 ECG波形 50Hz干扰

Other Parts Discussed in Thread: ADS1293

 用ADS1293 采集到的波形如下:

整个系统用电池供电,但是从波形上看还能看到明显的50Hz的干扰,请教一下这个50Hz的干扰来源是什么?

可以通过配置ADS1293的寄存器滤掉吗?

另外Dylan 在前一个帖子中提到CMOUT和RLDOUT pin上的两个电阻理论上比值越大共模抑制能力越好,

电容是用来做补偿的,防止环路不稳定,推荐使用EVM的参数值10K,10M,1nF,  请问电容的值是如何确定的,

两个电阻的极限值能取到多少?

谢谢!