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Digital Electronics - Interfacing to the Analog World

Exercise : Interfacing to the Analog World - Filling the Blanks
21.
A 4-bit stairstep-ramp A/D converter has a clock frequency of 100 kHz and a maximum input of 10 V, and has 6 V applied to the input. The conversion time will be ________.
10 microseconds
160 microseconds
90 microseconds
6250 seconds
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
A major application for DSP is in ________ and ________ of analog signals.
sending, receiving
digitizing, weighting
filtering, conditioning
leveling, translating
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
The fastest analog-to-digital converter is the ________.
counter ADC
successive-approximation ADC
dual slope ADC
parallel ADC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The main advantage of the tracking A/D converter over the stairstep-ramp A/D converter is that ________.
it does not require a counter
it uses an up/down counter to indicate the polarity of the input voltage
it uses an up/down counter to measure both positive and negative voltages
it is faster
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
A counter-ramp ADC stops counting when ________.
the input voltage equals the DAC staircase voltage
the counter reaches a maximum count
the input voltage equals 5 volts
the DAC staircase voltage equals 5 volts
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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