how to simulate the autozero amplifier？

[icmeiying]

hi,all
I am designing an autozero amplifier.Could you tell me how to simulate the autozero amplifier,especially for dc offset and flicker noise?Or you can give me some articles illustrating these problem.I appreciate your great help.Thanks in advance!

 

[sudheerkm]

some fundas

may be helpful

 

[icmeiying]

some fundas

may be helpful

Thank you very much indeed!