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CC2640R2F: 如何抑制蓝牙发射电流引起的噪声?

Part Number: CC2640R2F
Other Parts Discussed in Thread: ADS1291,

在设计AD采集时,会采集到的与蓝牙最小连接间隔相同频率的噪声如何滤除?

如设置最小连接间隔为45ms,采集到的信号会有个22Hz的噪声。

推测蓝牙在发送是会有个22Hz的6ma的大电流,对采集电路产生影响。请问这个噪声如何滤除?