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Digital Electronics - Interfacing to the Analog World

Exercise : Interfacing to the Analog World - General Questions
61.
Why is a binary-weighted DAC usually limited to 4-bit binary conversion?
too many pins on the IC
too many op amps needed
too many different values of capacitors
too many different values of resistors
Answer: Option
Explanation:
No answer description is available. Let's discuss.
62.
What is the resolution of a D/A converter?
It is the reciprocal of the number of discrete steps in the D/A output.
It is the comparison between the actual output of the converter and its expected output.
It is the deviation between the ideal straight-line output and the actual output of the converter.
It is the converter's ability to resolve between forward and reverse steps when sequenced over its entire range of inputs.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
63.
What is gain error in a DAC?
missing codes
error in the slope of the output staircase waveform
more or less input voltage is required for the first step than what is specified
Answer: Option
Explanation:
No answer description is available. Let's discuss.
64.
An actuator is usually a device that:
converts analog data to meaningful digital data.
controls a physical variable.
stores digital data and then processes that data according to a set of specified instructions.
converts a physical variable to an electrical variable.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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