What is the stop band frequency of the normalized low pass Butterworth filter used to design a analog band pass filter with -3.0103dB upper and lower cutoff frequency of 50Hz and 20KHz and a stop band attenuation 20dB at 20Hz and 45KHz?
A. 2 rad/sec
B. 2.25 Hz
C. 2.25 rad/sec
D. 2 Hz
Answer:A
What is the stop band frequency of the normalized low pass Butterworth filter used to design a analog band pass filter with -3.0103dB upper and lower cutoff frequency of 50Hz and 20KHz and a stop band attenuation 20dB at 20Hz and 45KHz?
A. 2 rad/sec B. 2.25 Hz C. 2.25 rad/sec D. 2 Hz
Explanation: Given information is