engineering recuitment GATE EE 2023-24 Test Series Analog Electronics Op-Amp and Its Applications Filters
The prototype 2nd order low-pass type butterworth filter is given by
1
\(\frac{{\sqrt 2 }}{{{s^2} + \sqrt 2 s + 1}}\)
2
\(\frac{2}{{{s^2} + \sqrt 2 s + 2}}\)
3
\(\frac{1}{{{s^2} + \sqrt 2 s + 1}}\)
4
\({s^2} + \sqrt 2 s + 2\)