A second order low pass filter is given an input frequency of 30kHz and produce a output having phase angle of 79^o. Determine the pass band gain of the filter?
(a) 11 dB
(b) 89.11 dB
(c) 46.78 dB
(d) None of the mentioned
The question was asked by my school teacher while I was bunking the class.
The doubt is from Second Order Low Pass Butterworth Filter topic in chapter Active Filters of Linear Integrated Circuits