Which ideal amplifier is faster - follower or inverting?

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qwertyIC

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Assuming both is ideal amplier,which one is faster?
 

which is faster?about amplier.

Depending on what "ideal" really means, the follower will have twice the bandwidth of the inverting version.

Keith.
 

Re: which is faster?about amplier.

I think ideal means GAIN is very big.

keith1200rs said:
Depending on what "ideal" really means, the follower will have twice the bandwidth of the inverting version.

Keith.
 

Re: which is faster?about amplier.


I assume it makes some assumption about the nature of the gain rolloff with frequency. If the "ideal" opamp had infinite gain and infinite bandwidth then both circuits would have the same bandwidth - infinity!

Keith.
 

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