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Thanks for the reply erikl,
In the figure above, those tones look like the odd order harmonics however the locations are varying with the input frequency. (maybe I should chose some other example)
In some cases (some other input frequencies), tones appear on non odd order harmonic locations...
Thanks for your reply :)
The applied input frequency is chosen as 19.996xx MHz to satisfy the coherent sampling condition and the hann window was applied.
Input related tones in an ideal ADC
Hi everyone.
I was trying to build an ideal 3-bit ADC model using MATLAB simulink.
However when I increased the number of points, I found input related tones appeared in the spectrum as below.
(2^18 point FFT, Sampling frequency = 200M, Input frequency =...
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