Pnoise sim with different noise type

Hi,

I try to study PNOISE currently, and the simple Res+MOS switch+Cap is my schematic.

The switch Fs=1MHz, RES=10Kohm, CAP=1pF.

I found that there are many noise type in PNOISE setting as follow picture:

First, I try "sources" for sim output noise @vo_sc2 in my schematic above.

The sim. results are as follows (V/sqrtHz):

Then, I try "timedomain" for sim output noise @vo_sc2 in my schematic above.

The sim. results are as follows (V^2/Hz):

The results of  different noise type are quite different.

For "sources", we can see the SINC function (sin[x]/x) in the output noise waveform.

But for  "timedomain", the SINC function is not shown.

I would like to know whether noise type should I use for PNOISE simulation?

Thanks.