Physics · Analog Electronics
For the frequency response of a band-reject filter, the center frequency ω0 is related to the lower and upper cut-off frequencies ω1 and ω2 by:
- 1ω0 = (ω1 + ω2) / 2
- 2ω0 = ω1 - ω2
- 3ω0 = √(ω1 × ω2)✓
- 4ω0 = ω1 × ω2
Correct answer
ω0 = √(ω1 × ω2)
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