Active Filters - General Questions

Directions to Solve

Active Filters - General Questions

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

A.	low-pass
B.	high-pass
C.	band-pass
D.	band-stop

Answer: Option C

Explanation:

No answer description available for this question.

A third-order filter will have a roll-off rate of

A.	–20 dB/decade.
B.	–40 dB/decade.
C.	–60 dB/decade.
D.	–30 dB/decade.

Answer: Option C

Explanation:

No answer description available for this question.

Identify the frequency response curve for a band-reject filter.

mcq15_1006_1 (1)

A.	a
B.	b
C.	c
D.	d

Answer: Option D

Explanation:

No answer description available for this question.

Refer to this figure. This filter has a roll-off rate of

mcq15_1018_1 (2)

A.	20 dB/decade.
B.	40 dB/decade.
C.	60 dB/decade.
D.	80 dB/decade.

Answer: Option D

Explanation:

No answer description available for this question.

Refer to the given figure. R_A = 2.2 k omega (5) and R_B = 1.2 k . This filter is probably a

mcq15_1010_1b (1)

A.	Butterworth type.
B.	Bessel type.
C.	Chebyshev type.

Answer: Option A

Explanation:

No answer description available for this question.

Refer to the given figure. This is a ________ filter, and it has a cutoff frequency of ________.

mcq15_1010_1a (1)

A.	high-pass, 21 Hz
B.	low-pass, 21 Hz
C.	high-pass, 2.65 kHz
D.	low-pass, 2.65 kHz

Answer: Option C

Explanation:

No answer description available for this question.

One important application of a state-variable ________ filter with a summing amplifier is to minimize the 60 Hz "hum" in audio systems.

A.	low-pass
B.	high-pass
C.	band-pass
D.	band-stop

Answer: Option D

Explanation:

No answer description available for this question.

Refer to this figure. Increasing the values of the filter section resistors in this circuit will cause the f_c to

mcq15_1018_1 (1)

A.	increase.
B.	decrease.
C.	remain the same.
D.	increase and then decrease.

Answer: Option B

Explanation:

No answer description available for this question.

Active Filters - General Questions

Active Filters - General Questions

Questions & Answers

Interviews

Jobs

Results

Admission

Admit Card

Answer Key