我们将在春节假期期间对网站进行维护,可能暂时无法访问,同时工程师回复将有所延迟,敬请谅解.

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ADS1299-4: 内部测试信号

Part Number: ADS1299-4

我是自己设计的采集板,双极性供电。测得的内部方波信号和噪声信号如下

幅值范围正确,但幅度整体下移 ,请问是什么原因造成的