Physics · Operational Amplifiers
For an active inverting low-pass filter circuit consisting of an ideal op-amp with an input resistor R1, a feedback resistor R2, and a feedback capacitor C in parallel with R2, the passband voltage gain and cut-off frequency (in radian/sec) are respectively given by:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(1 + R2/R1), 1/(CR1)
- 2(1 + R2/R1), 1/(CR2)
- 3-R1/R2, 1/(CR1)
- 4-R2/R1, 1/(CR2)✓
Correct answer
-R2/R1, 1/(CR2)
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