五月份罕見問題:誰吃了我的dB?
為什麼這位工程師會這麼問? 看看便知道.
Question: I am setting my signal generator to output a CW tone at a certain power, which per my math, should give a –1 dBFS signal at the ADC. However, I am seeing –15 dBFS! Who ate all of my dBs? Answer: http://ow.ly/P4md30036QW
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