FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

Switch License

Question E7B02

From subelement E7 - E7B

E7B02
Answer: A

What is a Class D amplifier?

AAn amplifier that uses switching technology to achieve high efficiency
BA low power amplifier that uses a differential amplifier for improved linearity
CAn amplifier that uses drift-mode FETs for high efficiency
DAn amplifier biased to be relatively free from distortion