vaah
Member level 3
Hi guys,
I know that a DC-feedback loop can reduce offset in a multi-stage amplifier (more specifically limiting amplifier for high-speed link)
I couldn't extract the equation how the offset is resourced by the feedback loop. I have seen from "http://ece.tamu.edu/~spalermo/ecen689_oi/lecture6_ee689_limiting_amps.pdf" the total offset is
sqrt[(Vos/AF)^2+(Vos1/A)^2]
From my calculation "Vos1/F" is true. Can someone please explain this?
Thanks.
I know that a DC-feedback loop can reduce offset in a multi-stage amplifier (more specifically limiting amplifier for high-speed link)
I couldn't extract the equation how the offset is resourced by the feedback loop. I have seen from "http://ece.tamu.edu/~spalermo/ecen689_oi/lecture6_ee689_limiting_amps.pdf" the total offset is
sqrt[(Vos/AF)^2+(Vos1/A)^2]
From my calculation "Vos1/F" is true. Can someone please explain this?
Thanks.