1) How many stages are involved in bipolar op-amp?
a. 2
b. 3
c. 4
d. 6
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Answer
Explanation
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ANSWER: 3
Explanation:
No explanation is available for this question!
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2) The noise produced by the differential input stage can be reduced by the selection of __________.
a. Proper transistor type
b. Proper geometry
c. Adequate level of operating currents
d. All of the above
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Answer
Explanation
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ANSWER: All of the above
Explanation:
No explanation is available for this question!
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3) Which among the following is/are responsible for electrical interactions?
a. Parasitic capacitance
b. Mutual inductance
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: Parasitic capacitance
Explanation:
No explanation is available for this question!
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4) Which among the following has a constant power spectral density over a wide frequency range?
a. White noise
b. Black noise
c. Pink noise
d. Blue noise
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Answer
Explanation
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ANSWER: White noise
Explanation:
No explanation is available for this question!
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5) Popcorn noise is generated by abrupt variations in input bias current especially due to imperfect surface conditions of _______.
a. Conductor
b. Insulator
c. Semiconductor
d. None of the above
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Answer
Explanation
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ANSWER: Semiconductor
Explanation:
No explanation is available for this question!
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6) Flicker noise is also regarded as _______.
a. Popcorn noise
b. 1/f noise
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: 1/f noise
Explanation:
No explanation is available for this question!
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7) In op-amps, which type of noise occurs due to discrete flow of current in the device?
a. Shot noise
b. Burst noise
c. Thermal noise
d. Flicker noise
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Answer
Explanation
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ANSWER: Shot noise
Explanation:
No explanation is available for this question!
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8) Which op-amp technology/ies exhibit/s low current sourcing/ sinking capacity?
a. Bipolar op-amp
b. CMOS op-amp
c. BICMOS op-amp
d. All of the above
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Answer
Explanation
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ANSWER: CMOS op-amp
Explanation:
No explanation is available for this question!
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9) Which among the following belong to the category of bipolar technology?
A. JFET
B. MOSFET
C. P-N junction isolation
D. Di-electric isolation
a. A & B
b. B & C
c. C & D
d. A & D
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Answer
Explanation
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ANSWER: C & D
Explanation:
No explanation is available for this question!
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10) Unipolar belongs to ________technology/ies of integrated circuits.
a. Hybrid
b. Monolithic
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: Monolithic
Explanation:
No explanation is available for this question!
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