ADC

ADC

University

6 Qs

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ADC

ADC

Assessment

Quiz

Other

University

Hard

Created by

Ankitha P

Used 12+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In analog to digital converter (ADCs) sample - and - hold circuits are designed to

Sample and hold the output of the binary counter during the conversion process

stabilize the comparator threshold voltage during the comparison process

stabilize the input analog signal during the conversion process

sample and hold the D/A converter staircase waveform during the conversion process

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which term applies to the maintaining of a given signal level until the next sampling

Holding

Aliasing

shannon frequency sampling

stair-stepping

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the Purpose of Sample and Hold Circuit?

To keep temporary memory

To hold a voltage constant so an ADC has time to produce an output

To hold a voltage constant so a DAC has time to produce an output

To hold data after multiplexer has selected an output

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Identifyfrom the following performance parameter of ADC in which suits the definition of no. of samples per second.

Aliasing

Quantization Error

Resolution

Sampling Frequency

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The quantization process

converts the sample-and-hold output to binary code

converts a sample impulse to a level

converts a sequence of binary codes to a reconstructed analog signal

filters out unwanted frequencies before sampling takes place

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aliasing results in

oversampling

undersampling

guard-band formation

perfect sampling

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