Hi, Why do not the oscilloscope used for noise measurement, where we can use the FFT feature of the scope. Most of the time it is seen that expensive spectrum analysers are used. Any comments on it and discussion are most welcomed.
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Because even high end oscilloscope have a 8 bit ADC, providing a dynamix range less than 1/250 in voltage, or around 24dB(in voltage), or around
48dB(in power). The worst spectrum analyzers have 80dB of dynamic range...Robert
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