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Digital ElectronicsADC & DAC

A dual-slope ADC is particularly valued in digital measurement instruments because its integrating operation provides good rejection of?

  • ACertain periodic noise such as mains-frequency interference
  • BAll possible quantization error
  • CEvery clock error regardless of frequency
  • DMemory leakage
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Correct Answer: A. Certain periodic noise such as mains-frequency interference
Explanation: Dual-slope conversion integrates the input over a defined interval; choosing the interval appropriately can strongly reject periodic interference such as 50/60 Hz mains noise.
Reference: Standard digital electronics: dual-slope ADC
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