Advanced Qualification · A-005 Transmitters, modulation and processing · A-005-006-011
Des produits d'intermodulation causant brouillage ne sont pas typiquement associés à :
- AL'intermodulation passive
- BUn étage de fréquence intermédiaire
- CUn amplificateur de puissance
- DUn étage d'entrée de récepteur
Correct answer: B — Un étage de fréquence intermédiaire. Question tirée de la banque officielle d'ISDE.
Why
The intermediate frequency stage is the correct choice because it operates at a fixed, lower frequency where signals are already separated and filtered, making it unlikely to generate new mixing products. 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.
Drill A-005 — free, no account