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ADC

Authored by Mrs. 201

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ADC
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many control lines are present in analog to digital converter in addition to reference voltage?

2

3

4

5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which A/D converter is considered to be simplest, fastest and most expensive?

Servo converter

Counter type ADC

Flash type ADC

Successive Approximation ADC

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many clock pulses do a successive approximation converter requires for obtaining 4 bit digital output.

4

6

8

10

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which expression is used to find the number of comparators to construct a flash type ADC?

2n-1

2n-1

3n-1

4n-1

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identify the disadvantage of the flash analog-to digital converter (ADC)

Simultaneous input need to be applied

long conversion time is required

large number of output lines is required to simultaneously decode the input voltage

More number of comparators are required to represent a binary number

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