Physics · Analog Electronics
Which of the following statements is NOT correct about a Butterworth filter?
- 1This is the only filter whose 3dB down frequency equals its critical frequency (f 3dB = f c ).
- 2It exhibits the slowest roll-off of any monotonic (single-slope) filter.✓
- 3Butterworth is characterized by its moderate amplitude and phase response.
- 4Butterworth is the most popular alignment type.
Correct answer
It exhibits the slowest roll-off of any monotonic (single-slope) filter.
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