Exercise: Analog And Digital Converters

Questions for: Analog And Digital Converters

Incorrect codes are a form of output error for a digital-to-analog converter (DAC).
A:
True
B:
False
C:
D:
Answer: B
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A sample-and-hold circuit samples an analog value and holds it long enough for the analog-to-digital conversion to occur.
A:
True
B:
False
C:
D:
Answer: A
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Sample-and-hold circuits in analog-to digital converters (ADCs) are designed to:
A:
sample and hold the output of the binary counter during the conversion process
B:
stabilize the comparator's threshold voltage during the conversion process
C:
stabilize the input analog signal during the conversion process
D:
sample and hold the D/A converter staircase waveform during the conversion process
Answer: C
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Which is not an analog-to-digital (ADC) conversion error?
A:
differential nonlinearity
B:
missing code
C:
incorrect code
D:
offset
Answer: A
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In a flash analog-to-digital converter, the output of each comparator is connected to an input of a:
A:
decoder
B:
priority encoder
C:
multiplexer
D:
demultiplexer
Answer: B
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