Active Filters - Practice Questions

Question 1

Filters with the ________ characteristic provide a very flat amplitude in the passband and a roll-off rate of –20 dB/decade/pole.

Accepted Answer

Question 2

Filters with the ________ characteristic are used for filtering pulse waveforms.

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Question 3

Which filter has a maximally flat response?

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Question 4

The critical frequency is defined as the point at which the response drops ________ from the passband.

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Question 5

The bandwidth of a band-pass filter is the sum of the two cutoff frequencies.

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Question 6

The bandwidth of a practical high-pass filter is infinite.

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Question 7

A ________ filter passes all frequencies within a band between a lower and an upper critical frequency and rejects all others outside this band.

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Question 8

The bandwidth in a ________ filter equals the critical frequency.

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Question 9

An active filter uses capacitors and inductors in the feedback network.

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Question 10

A ________ filter significantly attenuates all frequencies below fc and passes all frequencies above fc.

Accepted Answer