Question

A second-order band-pass active filter can be obtained by cascading a low pass second order section having cut off frequency fOH with a high pass second order section having cut-off frequency fOL provided

a.

fOH > fOL

b.

fOH < fOL

c.

fOH = fOL

d.

fOH ≤ 1/2fOL

Answer: (a).fOH > fOL

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Q. A second-order band-pass active filter can be obtained by cascading a low pass second order section having cut off frequency fOH with a high pass second order section having...

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