General exam question G7C14
Subelement G7, PRACTICAL CIRCUITS· Group G7C
The bandwidth of a band-pass filter is measured between what two frequencies?
- A.Upper and lower half-power (correct answer)
- B.Cutoff and rolloff
- C.Pole and zero
- D.Image and harmonic
WhyA band-pass filter's bandwidth is measured between its upper and lower half-power frequencies. A band-pass filter's bandwidth is measured between its upper and lower half-power points, the frequencies where output power has dropped to half its passband maximum, answer A. Cutoff and rolloff, pole and zero, and image and harmonic are all different technical concepts in filter theory, none of which defines how a band-pass filter's bandwidth itself is measured.
Published 2026-08-28 · Last updated 2026-08-28 · Question text is verbatim from the 2023-2027 NCVEC Element 3 pool (public domain); the explanation above is original writing, see our methodology.
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