Basic Op-Amp Circuits 1 Questions and Answers

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Q21
Operational amplifiers are never used as nonlinear devices.
  • A TRUE
  • B FALSE
Answer: Option B
Q22
In an op-amp comparator, when the input voltage exceeds a reference voltage, the voltage output changes state.
  • A TRUE
  • B FALSE
Answer: Option A
Q23
The R/2R ladder is commonly used for D/A converters.
  • A TRUE
  • B FALSE
Answer: Option A
Q24
Bounding allows the output of a comparator to be an unlimited voltage.
  • A TRUE
  • B FALSE
Answer: Option B
Q25
The difference between the UTP and the LTP is the hysteresis voltage.
  • A TRUE
  • B FALSE
Answer: Option A
Q26
The output of an op-amp comparator will be zero when the input voltage exceeds the reference voltage.
  • A TRUE
  • B FALSE
Answer: Option B
Q27
A positive feedback network for hysteresis improves an op-amp comparator's noise immunity.
  • A TRUE
  • B FALSE
Answer: Option A
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