FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E7G06

From subelement E7 - E7G

E7G06
Answer: B

What is the gain-bandwidth of an operational amplifier?

AThe maximum frequency for a filter circuit using that type of amplifier
BThe frequency at which the open-loop gain of the amplifier equals one
CThe gain of the amplifier at a filter’s cutoff frequency
DThe frequency at which the amplifier’s offset voltage is zero