Filters that are useful below 1 MHz,have power gain,and are relatively easy to tune are ________.
A) first-order
B) passive
C) active
D) notch

Question

Quizplus · Accepted Answer

Active filters are useful below 1 MHz, have power gain, and can be easily tuned. Passive filters, in contrast, have no power gain and are less easily tuned. First-order and notch filters do not necessarily have power gain, and may be more difficult to tune than active filters.

Filters That Are Useful Below 1 MHz,have Power Gain,and Are