Basic Qualification · B-003 Station assembly, practice and safety · B-003-014-007
Si un émetteur BLU est modulé à 100 % en phonie, quel effet a le processeur de voix sur la puissance d'émission?
- AIl augmente la puissance moyenne
- BIl augmente la puissance en crête de modulation ("PEP")
- CIl diminue la puissance moyenne
- DIl diminue la puissance en crête de modulation ("PEP")
Correct answer: A — Il augmente la puissance moyenne. Question tirée de la banque officielle d'ISDE.
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.
Drill B-003 — free, no account