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TPA3140D2: A way to measure output distorsion

Guru 16770 points
Part Number: TPA3140D2


Hi

Could you give us advices about the measurement of the output distortion in right way?

Our customer is trying to measure harmonics in the following system. The measurement is executed in a PC after obtaining data with a MIC.


In this way, I believe that disturbance to the MIC like environmental noise would impact for the measurement result.

So, I believe it is difficult to measure harmonics correctly in this way. Is this understanding correct?

If you have a good example to measure the output distortion, please give me a guide we can refer.

BestRegards