> "Linear" means "Linear System" as in T(a+b)=T(a)+T(b). Fully aware. What I'm saying is: op-amp based-circuits just never do that in the real world, only in

> "Linear" means "Linear System" as in T(a+b)=T(a)+T(b). Fully aware. What I'm saying is: op-amp based-circuits just never do that in the real world, only in extremely limited circumstances (hence the whole small-signal model methodology). They are in general anything but linear.