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关于降噪

Other Parts Discussed in Thread: OPA211, LMH6624, OPA846, OPA847

专家老师,我这两天看了很多关于噪声的相关资料,发现大部分的资料都是讲解噪声来源和原理,我想问一下有没有什么本质性的对于降噪比较好的方式和方法么?

比方说我想对5mv 5MHz的小信号进行放大时,噪声的干扰总是搞不定