Advanced Qualification · A-007 Feedlines and matching · A-007-009-003
Lequel des énoncés suivants représente un avantage du guide d'onde comme ligne de transmission?
- AFaible perte
- BRéponse en fréquence dépendante de ses dimensions
- CCoûteux
- DLourd et difficile à installer
Correct answer: A — Faible perte. Question tirée de la banque officielle d'ISDE.
Why
Waveguide acts like a hollow metal pipe that carries high-frequency radio waves with very little energy turning into heat, which is why low loss is its main benefit. The full explanation — and one for every question — is in Pro.
Practise this section
Feedlines and matching is section A-007 of the Advanced exam: Feedlines and matching at the advanced level: transmission line theory, impedance transformation, stubs and matching networks.
Drill A-007 — free, no account