SignalPrep
Basic Qualification · B-003 Station assembly, practice and safety · B-003-014-007

If a single-sideband voice transmitter is 100% modulated, how will using a speech processor affect the transmitter's output?

  1. ADecrease the average power
  2. BDecrease the peak envelope power
  3. CIncrease the average power
  4. DIncrease the peak envelope power

Correct answer: C — Increase the average power. From the official ISED question bank, verified word for word.

Why

A speech processor boosts the quieter parts of your voice before transmission, which raises the overall signal level without exceeding the transmitter's maximum limit. The full explanation — and one for every question — is in Pro.

Practise this section

Station assembly, practice and safety is section B-003 of the Basic exam: Building a station safely: power supplies, grounding, RF exposure, lightning, feedline routing, and what a transmitter, receiver and transceiver actually do.

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