1) Basically, response time is defined as the time acquired by the comparator to accomplish ______of its transition corresponding to the voltage step at the input.
a. 20%
b. 50%
c. 70%
d. 100%
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Answer
Explanation
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ANSWER: 50%
Explanation:
No explanation is available for this question!
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2) Among which of the following factors do/does the operation of sample and hold mode depend/s?
a. Input
b. Output
c. Position of switch
d. All of the above
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Answer
Explanation
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ANSWER: Position of switch
Explanation:
No explanation is available for this question!
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3) In a peak detector circuit, which component holds the peak value till a higher peak value is detected?
a. Diode
b. Inductor
c. Capacitor
d. MOSFET switch
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Answer
Explanation
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ANSWER: Capacitor
Explanation:
No explanation is available for this question!
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4) In hysteresis width, the hysteresis voltage is equal to _______ upper & lower threshold voltages (VUT & VLT).
a. sum of
b. difference between
c. product of
d. division of
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Answer
Explanation
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ANSWER: difference between
Explanation:
No explanation is available for this question!
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5) In an inverting Schmitt Trigger circuit, the hysteresis ________ is also known as 'hysteresis width'.
a. voltage
b. current
c. resistance
d. power
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Answer
Explanation
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ANSWER: voltage
Explanation:
No explanation is available for this question!
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6) Which among the following circuits is also regarded/known as ' Threshold Detector '?
a. Window detector
b. Over voltage indicator
c. Level detector
d. Zero crossing detector
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Answer
Explanation
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ANSWER: Level detector
Explanation:
No explanation is available for this question!
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7) For reducing the effects of input offset in comparator, what would be the possible value of input offset voltage?
a. Low
b. Moderate
c. High
d. None of the above
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Answer
Explanation
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ANSWER: Low
Explanation:
No explanation is available for this question!
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8) Zero crossing detector circuit plays a crucial role in conversion of input sine wave into a perfect _________at its output.
a. triangular wave
b. square wave
c. saw-tooth wave
d. pulse wave
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Answer
Explanation
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ANSWER: square wave
Explanation:
No explanation is available for this question!
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9) For an ideal comparator, what should be the value of the response time?
a. Zero
b. Unity
c. Infinite
d. Unpredictable
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Answer
Explanation
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ANSWER: Zero
Explanation:
No explanation is available for this question!
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10) Which parameter/s is/are used to indicate the speed of a comparator?
a. Response Time
b. Propagation Delay
c. Both a and b
d. None of the above
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Answer
Explanation
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ANSWER: Both a and b
Explanation:
No explanation is available for this question!
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