Explore topic-wise MCQs in Linear Integrated Circuit.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Linear Integrated Circuit knowledge and support exam preparation. Choose a topic below to get started.

1.

THE_DETAILS_OF_LOW_PASS_FILTER_SECTIONS_ARE_GIVEN_AS_FH_=10KHZ,_AF=_2_AND_F=1.2KHZ._FIND_THE_VOLTAGE_GAIN_MAGNITUDE_OF_FIRST_ORDER_WIDE_BAND-PASS_FILTER,_IF_THE_VOLTAGE_GAIN_MAGNITUDE_OF_HIGH_PASS_FILTER_SECTION_IS_8.32DB.?$

A. 48.13dB
B. 10.02dB
C. 14.28dB
D. 65.99dB
Answer» D. 65.99dB
Discussion
2.

The_quality_factor_of_a_wide_band-pass_filter_can_be$

A. 12.6
B. 9.1
C. 14.2
D. 10.9
Answer» C. 14.2
Discussion
3.

The advantage of narrow band-pass filter is

A. f<sub>c</sub> can be changed without changing gain
B. f<sub>c</sub> can be changed without changing bandwidth
C. f<sub>c</sub> can be changed without changing resistors
D. All of the mentioned
Answer» E.
Discussion
4.

If_the_gain_at_center_frequency_is_10,_find_the_quality_factor_of_narrow_band-pass_filter

A. 1
B. 2
C. 3
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
5.

Compute the quality factor of the wide band-pass filter with high and low cut-off frequencies equal to 950Hz and 250Hz?

A. 0.278
B. 0.348
C. 0.696
D. 0.994
Answer» D. 0.994
Discussion
6.

When a second order high pass filter and second order low pass sections are cascaded, the resultant filter is a

A. ±80dB/decade band-pass filter
B. ±40dB/decade band-pass filter
C. ±20dB/ decade band-pass filter
D. None of the mentioned
Answer» C. ¬¨¬®¬¨¬±20dB/ decade band-pass filter
Discussion
7.

Find out the voltage gain magnitude equation for the wide band-pass filter.

A. A<sub>Ft</sub>√ó( f/f<sub>L</sub>)/‚àö[(1+(f/f<sub>h</sub>)<sup>2</sup>]√ó[1+(f/f<sub>L</sub>)<sup>2</sup>].
B. A<sub>Ft</sub>/ ‚àö{[1+(f/f<sub>h</sub>)<sup>2</sup>]√ó[1+(f/f<sub>L</sub>)<sup>2</sup>]}
C. A<sub>Ft</sub>/ ‚àö{[1+(f/f<sub>h</sub>)<sup>2</sup>]/[1+(f/f<sub>L</sub>)<sup>2</sup>]}
D. [A<sub>Ft</sub>/(f/f<sub>L</sub>)]/ ‚àö{[1+(f/f<sub>h</sub>)<sup>2</sup>]/[1+(f/f<sub>L</sub>)<sup>2</sup>]}
Answer» B. A<sub>Ft</sub>/ ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ{[1+(f/f<sub>h</sub>)<sup>2</sup>]‚Äö√†√∂‚àö‚â•[1+(f/f<sub>L</sub>)<sup>2</sup>]}
Discussion
8.

Find the center frequency of wide band-pass filter

A. f<sub>c</sub>= ‚àö(f<sub>h</sub> √óf<sub>L</sub>)
B. f<sub>c</sub>= ‚àö(f<sub>h</sub> +f<sub>L</sub>)
C. f<sub>c</sub>= ‚àö(f<sub>h</sub> -f<sub>L</sub>)
D. f<sub>c</sub>= ‚àö(f<sub>h</sub> /f<sub>L</sub>)
Answer» B. f<sub>c</sub>= ‚Äö√Ñ√∂‚àö‚Ć‚àö‚àÇ(f<sub>h</sub> +f<sub>L</sub>)
Discussion
9.

A band-pass filter has a bandwidth of 250Hz and center frequency of 866Hz. Find the quality factor of the filter?

A. 3.46
B. 6.42
C. 4.84
D. None of the mentioned
Answer» B. 6.42
Discussion
10.

Narrow band-pass filters are defined as

A. Q < 10
B. Q = 10
C. Q > 10
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
11.

Which filter attenuates any frequency outside the pass band?

A. Band-pass filter
B. Band-reject filter
C. Band-stop filter
D. All of the mentioned
Answer» B. Band-reject filter
Discussion