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TINA-TI噪声分析,信噪比疑问

Other Parts Discussed in Thread: TINA-TI

请问热心的TI工程师:

在用TINA-TI分析信噪比时,Total Noise为20uV RMS,那么噪声VPP应该为:120uV。

这样算下来信噪比应该是20log(2V/120uV)=84.4dB。但是仿真结果为94dB,请问这是为什么?

谢谢!