What is the lowest order of the Butterworth filter with a pass band gain KP= -1 dB at ΩP= 4 rad/sec and stop band attenuation greater than or equal to 20dB at ΩS= 8 rad/sec?
A. 4
B. 5
C. 6
D. 3
Answer:A
What is the lowest order of the Butterworth filter with a pass band gain KP= -1 dB at ΩP= 4 rad/sec and stop band attenuation greater than or equal to 20dB at ΩS= 8 rad/sec?
A. 4 B. 5 C. 6 D. 3
Explanation: We know that the equation for the order of the Butterworth filter is given as