Advanced Qualification · A-002 Advanced components and circuits · A-002-006-004
Dans quelle partie du cycle d'un signal, un amplificateur de classe B est-il au travail?
- APlus que 180 degrés, mais moins que 360 degrés
- BLe cycle complet
- C180 degrés
- DMoins que 180 degrés
Correct answer: C — 180 degrés. Question tirée de la banque officielle d'ISDE.
Why
A Class B amplifier conducts current for exactly half of the input signal wave, which equals 180 degrees of the 360-degree cycle. The full explanation — and one for every question — is in Pro.
Practise this section
Advanced components and circuits is section A-002 of the Advanced exam: Advanced components and circuits: semiconductors, amplifier classes, oscillators, mixers, filters and digital logic.
Drill A-002 — free, no account