Answer Happy

Question 17 Design an active filter with the following attenuation specifications: Relative attenuation <= -3dB| o forf >= 400 Hz Relative attenuation >= -30dB|| o forf <= 100 Hz Determine the least number of poles that are needed for the active filter to meet the above specifications O A. 4 poles O B. 3 poles OC. 2 poles O D.5 poles
Question 18 3.125 points SIYAM Design a 3 polo low passatwo file with the desired break frequency-2 kHz The DC gain of the active filter must be 1 Which one of the following designs satisfies the above requirements . V 1 Vo 1 ONR-10 KO, R; = 10 KO, C1 -0.016 F, C2 -0.0062 uF.C -0.001 MF OBR-10 k0, Ry = 30 ko, G -0.028 JF, C 0.011 JF, C;=0.0016 UF OCR-10 kn, Ry - 10 ko. G 0.014 F, C-0.0055 uF, C3 -0.0008 JF OOR-10k. R/ - 30 kn, 4 -0.16uF. C =0.062 HF.C -0.01 HF