Hi all,given that digital scopes have a multichannel ADC for acquisition, which is similar to what a cross-correlating phase noise measurement instrument has, it occurred to me that phase noise measurement might also be possible with a standard digital scope and some post-processing software. The scope usually will have only 8 bits of resolution, but it will have a rather high sampling rate. With oversampling math, one may be able to trade one for the other, at least if the scope's analog frontend is not too bad.
Has anyone investigated or tried this? Is it a silly idea to start with? Cheers Stefan Heinzmann
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