FCC Question Pool Review

Amateur Extra Class (Element 4) • 2024-2028

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Question E7C08

From subelement E7 - E7C

E7C08
Answer: B

Which of the following is most frequently used as a band-pass or notch filter in VHF and UHF transceivers?

AA Sallen-Key filter
BA helical filter
CA swinging choke filter
DA finite impulse response filter