how to add 2nd stage(CS amp) on folded cascode??

[xaptar]

how to add 2nd stage on single ended folded cascode? i cant figure it out,, kindly tell me, its urgent.
im getting gain of 72dB and 100MHZ + ug FREQ.
SO HOW TO ADD CS AMP to increase gain to 100dB????

im using NMOS input folded cascode

 

[erikl]

If your output stage (M6-M4-M8-M10) behaves well, why not repeat it? You'd probably have to tinker a bit with the W/L ratios.

And don't forget the (Miller) compensation!