Fully differential Opamp simulation

[gmcfilter]

icmr simulation of op amp

Hi
I`m desing a rail to rail folded cascode Op amp

I have some question in Fully diff Amp

1: How to modeling the ideal SC CMFB

Now I using the resistor and capacitor CMFB

2: How to simulation the Fully diff amp ICMR , SR

Textbook(allen) describe thd single ended amp

 

[erikl]

Hi
I have some question in Fully diff Amp
...
2: How to simulation the Fully diff amp ICMR , SR

Suggest you use the search function. There's a lot available on this topic, especially in the Analog IC Design & Layout forum, e.g.