Jacki
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Hello Kumar,
Thank you for your reply. Yes, for the flicker noise, due to the bandwidth is too narrow, after chopping (fch >> fc) no noise spectrum overlapped. How about the thermal noise? Because in mixer we normally consider the thermal noise folding, not flicker noise. Also I think due to the frequency converting and the scaled amplitude of the harmonics and the limited bandwidth of the LPF, the contribution of noise folding is not big, so we can skip it.
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