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ADS1292R 右腿驱动电路出问题

Other Parts Discussed in Thread: ADS1292R

        我对板子进行了test测试,输出了标准的方波,同时,利用信号发生器,其RL接地时,可得到方波数据。

        但发现利用右腿驱动时,信号产生了非常大的干扰信号,我利用万用表测得RLDINV是1.5v,RLDOUT为3.0V,与demo板时符合的,但是为什么输出没有对电源噪声产生抑制,反而没有效果。