Interfacing to the Analog World Questions and Answers

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Showing 10 of 85 questions
Q71
Linearity error is the maximum deviation in step size from the ideal step size.
  • A TRUE
  • B FALSE
Answer: Option A
Q72
One form of a sigma/delta modulator circuit is designed to convert a continuous analog signal into a modulated bit stream (A/D).
  • A TRUE
  • B FALSE
Answer: Option A
Q73
In a binary-weighted D/A converter the sum of all the currents from the binary weighted resistors flows through the operational amplifier.
  • A TRUE
  • B FALSE
Answer: Option B
Q74
In a binary-weighted D/A converter the sum of all the currents from the binary weighted resistors flows through the operational amplifier.
  • A TRUE
  • B FALSE
Answer: Option B
Q75
In a counter-ramp A/D converter, the end-of-conversion line must be tied back to the clear input of the counter to change the circuit to perform continuous conversions.
  • A TRUE
  • B FALSE
Answer: Option A
Q76
D/A conversion is the process of taking a voltage or current and converting it to a digital code.
  • A TRUE
  • B FALSE
Answer: Option B
Q77
A sample-and-hold circuit is used in D/A conversion.
  • A TRUE
  • B FALSE
Answer: Option B
Q78
The output of an analog-to-digital converter is a voltage level.
  • A TRUE
  • B FALSE
Answer: Option B
Q79
A CD player probably uses a sigma/delta D/A converter.
  • A TRUE
  • B FALSE
Answer: Option A
Q80
When the inputs of a four-bit D/A converter are connected to a binary up-counter, the output looks like an upward sloping line.
  • A TRUE
  • B FALSE
Answer: Option B

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