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ADS1299: 测量工频干扰

Part Number: ADS1299

我使用ADS1299采集心电和脑电信号,内部测试信号输出是正确的,但是测试了两个通道,采集人体信号都是工频,应该如何改进?

我使用Agcl干电极,电极在其他设备应用正常

我的寄存器配置是

WREG_ADS(0x01,0xD5);
WREG_ADS(0x03,0xEC);
WREG_ADS(0x05,0x68);

使用了右腿驱动,没有使用SRB,输入低通滤波