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AMP Noise Measurement

Question asked by guorock Employee on May 17, 2011
Latest reply on May 17, 2011 by Gustavo.Castro

Below figure tell us how to measure the noise of AMP. Here we used scope to measure the noise. Below is my questions:
1. I'd like to know the model number of this scope, for measure nV grade signal, this type of Scope should be expensive;
2. If I haven't the scope, I think using the 24 bit ADC to measure the AMP output noise is a good method, that is: connecting AMP output to ADC's input, and analyze the ADC's output noise. Any suggestions about this method is appreciated.