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ADS1299: 原始波形问题

Part Number: ADS1299


TI工程师

            您好!

                   我这边使用1299搭建16通道脑电采集系统,发现通道采集的波形是斜的,原始AD值就是斜的,未做任何处理。请问是什么原因呢?以下是波形图,采样电机、参考电极、驱动电极均空置(没有带在头上)