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How do we calculate gain of opamp for an active & SC fil

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shady205

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Hello Friends.

My doubt is how do we calculate the gain of OPAMP's used in the Active and SC Filters..?

does the gain of the opamp has anything to do with the rolloff the filter..?

In the case of double sampling SC filter with a clock frequency of fs, the corresponding UGB of the OPAMP should be taken 8 times of the clock frequency (fs) or Double sampling frequency(2fs)..?

Reply me friends it's urgent coz i been stucked at this point to select the topology of the OPAMP.

thanks in advance
 

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