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如何提高PCM1754的信噪比，相对于PCM1725，差了很多，底噪较大
Hi
请问整个系统是怎么样的？PCM1754测量出来SNR是多少，而测得PCM1725的SNR是多少。电路和测试环境是怎么样的
信息太少了，没有办法帮忙到你分析。
