30) By cascading low-pass filters, can be improved. A) bandwidth B) roll-off rate C) phase shift D) Q-rating
31) Refer to the figure above. Identify the active single-pole high-pass filter.
A) (a) B) (b) C) (c) D) (d)
32) Refer to the figure above. The low-pass filter with a 20 dB/decade roll-off is
A) (a). B) (b). C) (c). D) None of the above.