SignalPrep
Advanced Qualification · A-005 Transmitters, modulation and processing · A-005-007-003

Which of the following functions is not included in a typical digital signal processor?

  1. AAnalog to digital converter
  2. BDigital to analog converter
  3. CMathematical transform
  4. DAliasing amplifier

Correct answer: D — Aliasing amplifier. From the official ISED question bank, verified word for word.

Why

An "Aliasing amplifier" does not exist because aliasing is an unwanted error that happens when sampling is too slow, not a function any device performs. The full explanation — and one for every question — is in Pro.

Practise this section

Transmitters, modulation and processing is section A-005 of the Advanced exam: Transmitters, modulation and processing: AM, FM, SSB, keying, speech processing, and the numbers behind occupied bandwidth.

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