Just want to clear some doubt. So normally when designing Op-amp alone, you check stability by connecting it as unity gain amplifier (β=1) and simulating the Loop Gain (βH), but βH=H. So for a differential Op-amp you can basically simulate Open Loop Gain with the output loading.
But what if you are designing a OP to be used for LPF and you know the feedback resistors and capacitors (on chip) to be used. Do you simulate Loop Gain or Open Loop Gain or first Open Loop Gain and then Loop Gain?
Thanks