Exercise: Active Filters

Questions for: Active Filters

Butterworth filters have the characteristic of a very flat response in the passband and a roll-off of –20 dB/decade.
A:
True
B:
False
C:
D:
Answer: A
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A second-order filter has a roll-off of –20 dB/decade.
A:
True
B:
False
C:
D:
Answer: B
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An active filter uses capacitors and inductors in the feedback network.
A:
True
B:
False
C:
D:
Answer: B
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A band-pass filter passes all frequencies within a band between a lower and an upper cutoff frequency.
A:
True
B:
False
C:
D:
Answer: A
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In filters, a single RC network is called a pole.
A:
True
B:
False
C:
D:
Answer: A
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