engineering recuitment GATE EE 2023-24 Test Series Analog Electronics Op-Amp and Its Applications Filters
An op-amp is used in a notch filter. The notch frequency is 2 kHz, the lower cut-off frequency is 1.8 kHz and the upper cut-off frequency is 2.2 kHz. Then Q of the notch filter is
1
3.5
2
4.0
3
4.5
4
5.0