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Interfacing to the Analog World
What circuitry is on an ADC0808 IC?
A multiplexer
An ADC
A 3-bit select input code
All of the above
Correct Answer:
All of the above
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Interfacing to the Analog World
The practical use of binary-weighted digital-to-analog converters is limited to:
What is the purpose of a sample-and-hold circuit?
Why is a binary-weighted DAC usually limited to 4-bit binary conversion?
Which of the statements below best describes the basic operation of a dual-slope A/D converter?
What is the maximum conversion time for a counter-ramp ADC with 8-bit resolution and a clock frequency of 20 kHz?
Two principal advantages of the dual-slope ADC are its:
What is the output voltage of the given circuit if the inputs are as follows: 20 = 1, 21 = 1, 22 = 0, 23 = 0?
A 4-bit stairstep-ramp A/D converter has a clock frequency of 100 kHz and maximum input voltage of 10 V.
One major difference between a counter-ramp A/D converter and a successive-approximation converter is:
What is the main disadvantage of the stairstep-ramp A/D converter?
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