Electronic Devices - Active Filters

Exercise : Active Filters - General Questions
11.
Refer to this figure. This is a ________ filter.

low-pass
high-pass
band-pass
band-stop
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
Which filter exhibits a linear phase characteristic?
Bessel
Butterworth
Chebyshev
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
Refer to the given figure. The cutoff frequency of this filter is ________, and the circuit is known as a ________.

721 Hz, low-pass filter
721 Hz, high-pass filter
72 Hz, low-pass filter
721 Hz, band-pass filter
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
The critical frequency is defined as the point at which the response drops ________ from the passband.
–20 dB
–3 dB
–6 dB
–40 dB
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
Filters with the ________ characteristic provide a very flat amplitude in the passband and a roll-off rate of –20 dB/decade/pole.
Butterworth
Chebyshev
Bessel
Answer: Option
Explanation:
No answer description is available. Let's discuss.