ADS1299: ADS1299: Understanding ADS1299 Gain

设计过程中考虑两个问题:

1. 对于EEG uV级的讯号24倍放大功率是否足够
2. 如果要放大讯号到mV级也就是千倍级放大以符ADC的动态范围, 在有多个电极输入放大要求下, 是否要每个电极加LNA放大或有个集成电路可以满足多输入端高增益的要求

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