Explore topic-wise MCQs in Linear Integrated Circuit.

This section includes 10 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.

CMOS_INVERTER_IS_USED_AS_SPDT_SWITCH_IN_RESISTOR_DAC_AND_IS_CONNECTED_TO_THE_OP-AMP_LINE._FIND_THE_OUTPUT_OF_CMOS,_IF_THE_INPUT_APPLIED_IS_1?$

A. Resistance is connected to ground
B. Resistance is connected to input line
C. Resistance is connected to bit line
D. None of the mentioned
Answer» B. Resistance is connected to input line
Discussion
2.

THE_SMALLEST_RESISTOR_IN_A_12_BIT_WEIGHTED_RESISTOR_DAC_IS_2.5K‚ÂÀ√≠¬¨¬©,_WHAT_WILL_BE_THE_LARGEST_RESISTOR_VALUE??$#

A. 40.96MΩ
B. 10.24MΩ
C. 61.44 MΩ
D. 18.43MΩ
Answer» C. 61.44 M‚âà√≠¬¨¬©
Discussion
3.

How to overcome the limitation of binary weighted resistor type DAC?$

A. Using R-2R ladder type DAC
B. Multiplying DACs
C. Using monolithic DAC
D. Using hybrid DAC
Answer» D. Using hybrid DAC
Discussion
4.

What is the disadvantage of binary weighted type DAC?

A. Require wide range of resistors
B. High operating frequency
C. High power consumption
D. Slow switching
Answer» C. High power consumption
Discussion
5.

Pick out the incorrect statement “In a 3 bit weighted resistor DAC”$

A. Although the op-amp is connected in inverting mode, it can also be connected in non-inverting mode
B. The op-amp simply work as a current to voltage converter
C. The polarity of the reference voltage is chosen in accordance with the input voltage
D. None of the mentioned
Answer» B. The op-amp simply work as a current to voltage converter
Discussion
6.

Determine the Full scale output in a 8-bit DAC for 0-15v range?

A. Full scale output=15.1v
B. Full scale output=15.2v
C. Full scale output=14.5v
D. Full scale output=14.94v
Answer» D. Full scale output=14.94v
Discussion
7.

In a D-A converter with binary weighted resistor, a desired step size can be obtained by

A. Selecting proper value of V<sub>FS</sub>
B. Selecting proper value of R
C. Selecting proper value of R<sub>F</sub>
D. All of the mentioned
Answer» E.
Discussion
8.

(VR/R )× (do/2 +d1/22 + ……dn/2n)$

A. (V<sub>R</sub>/R )× (d<sub>1</sub>/2<sup>1</sup> +d<sub>2</sub>/2<sup>2</sup> + ……d<sub>n</sub>/2<sup>n</sup>)
B. (V<sub>R</sub>/R )× (d<sub>0</sub><sup>2</sup>/2 +d<sub>1</sub><sup>2</sup>/2<sup>2</sup> + ……d<sub>n</sub><sup>2</sup>/2<sup>n</sup>)
C. None of the mentioned
Answer» D.
Discussion
9.

Why the switches used in weighted resistor DAC are of single pole double throw (SPDT) type?

A. To connect the resistance to reference voltage
B. To connect the resistance to ground
C. To connect the resistance to either reference voltage or ground
D. To connect the resistance to output
Answer» D. To connect the resistance to output
Discussion
10.

Express the output voltage of digital to analog converter?

A. V<sub>o</sub> =KV<sub>FS</sub>(d<sub>1</sub>2<sup>-1</sup>+d<sub>2</sub>2<sup>-2</sup>+….d<sub>n</sub>2<sup>-n</sup>)
B. V<sub>o</sub> =V<sub>FS</sub>/k(d<sub>1</sub>2<sup>-1</sup>+d<sub>2</sub>2<sup>-2</sup>+….d<sub>n</sub>2<sup>-n</sup>)
C. V<sub>o</sub> =V<sub>FS</sub>(d<sub>1</sub>2<sup>-1</sup>+d<sub>2</sub>2<sup>-2</sup>+….d<sub>n</sub>2<sup>-n</sup>)
D. V<sub>o</sub> =K(d<sub>1</sub>2<sup>-1</sup>+d<sub>2</sub>2<sup>-2</sup>+….d<sub>n</sub>2<sup>-n</sup>)
Answer» B. V<sub>o</sub> =V<sub>FS</sub>/k(d<sub>1</sub>2<sup>-1</sup>+d<sub>2</sub>2<sup>-2</sup>+‚Äö√Ñ√∂‚àö√묨‚àÇ.d<sub>n</sub>2<sup>-n</sup>)
Discussion