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如我我想利用afe4300测量ads1299或者ads1292接出来的ecg电极或者eeg电极之间的阻抗。 同时我的ecg采集和eeg信号。 在测量阻抗的时候是否对ecg信号或者eeg信号有影响。 我看美信和adi给出的阻抗测量芯片都有切换开关。 不能同时采集ecg信号和阻抗信号。
您好，您看下这篇文章是否对您有帮助呢：
https://www.planetanalog.com/signal-chain-basics-149-how-to-accurately-measure-electrode-impedance-for-lead-off-detection-in-ecg-systems/#
